List of Greek and Latin roots in English/P

Lists of Greek and Latin roots in English beginning with other letters:

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P

Root	Meaning in English	Origin language	Etymology (root origin)	English examples
pac-	peace	Latin	pax, pacis	appease, Pacific, pacify, pay
pach-	thick	Greek	παχύς (pakhús), πάχος, πάχεος (pákhos, pákheos)	pachydermata, pachyglossia, pachynsis, Pachypodium
pact-	fasten	Latin	pangere "to fix, fasten"	compact, impact, impaction, impinge, page, propagate
pact-	agreement	Latin	pacisci "to covenant, to agree, make a treaty"	pact
pae-	strike	Greek	παίειν (paíein), (paistos)	anapaest, anapaestic, anapest, anapestic
paed-, ped-	child	Greek	παῖς, παιδός (paîs, paidós), παιδικός (paidikós)	orthopedic, paediatric, paedogenesis, paedomorphism, page, pedagogue, pedagogy, pedant, pedantic, pediatric, pedodontics, pedophilia
pagin-	page	Latin	pagina	pagination
pal-	stake	Latin	palus	impale, impalement, pale, palisade, pole, travail, travel
palae-, pale-	ancient, old	Greek	παλαιός (palaiós)	paleo diet, paleobiology, paleobotanic, Paleocene, Paleogene, Paleolithic, paleology, paleomagnetism, paleontology, paleopolyploidy, paleopsychology, Paleozoic
palin-, palim-	back	Greek	πάλιν (pálin)	palimpsest, palindrome, palingenesis, palinspastic
pall-	be pale	Latin	pallere	pallid, pallor
palli-	cloak	Latin	palliare "to cover, cloak", from pallium "cloak"	pall, palliate, palliative, pallium
palm-	palm	Latin	palma	palmate
palp-	touch	Latin	palpare	palp, palpable, palpate, palpation, palpitant, palpitation
palustr-	in marshes	Latin	paluster	palustral
pan-	Pan	Greek	πάειν, Πάν (Pán), Πανικός (Panikós)	panic
pan-, pam-	all	Greek	πᾶς, παντός (pantós), πᾶν (pân), πασῶν, παντότης, πάντοθεν	diapason, panacea, pandemic, pandemonium, panoply, panoptic, pantology, parrhesia
pan-	bread	Latin	pānis	accompaniment, accompany, appanage, companion, company, empanada, impanate, impanation, panelle, panetela, panetella, panettone, panivorous, pannier, pantry
pand-, pans-	spread	Latin	pandere, pansus/passus	compass, dispand, dispansion, encompass, encompassment, expand, expanse, expansion, expansive, expansivity, impassable, impasse, pace, pandiculate, pandiculation, passus, repand, spawn, subrepand
par-, para-	beside, near	Greek	παρά (pará)	parable, parabola, parallel, parallelepiped, parameter, parapagus, paradox, parody
par-	equal	Latin	par	compare, disparage, par, parity, peer, subpar
par-	order, prepare, provide, procure	Latin	parare	apparat, apparatus, co-emperor, comprador, disparate, disrepair, dissever, disseverance, emperor, empery, empire, empress, imperant, imperative, imperator, imperious, inseparable, irreparable, parade, pare, parison, parry, parure, preparation, preparative, preparatory, prepare, repair, reparable, reparation, reparative, separability, separable, separate, separation, separative, separator, separatory, separatrix, sever, severability, severable, several, severance, vituperate
parc-, pars-	spare, save	Latin	parcere, parsus	parcity, parsimonious, parsimony
pariet-	wall	Latin	paries, parietis	parietal
part-	part	Latin	pars, partis	apart, bipartite, compartment, depart, impartial, parcel, part, partial, participate, particle, partisan, partition
parthen-	virgin	Greek	παρθένος (parthénos)	parthenocarpy, parthenogenesis, Parthenon, Parthenope
parv-	little	Latin	parvus	parvovirus, parvorder
pasc-, past-	feed	Latin	pāscere, pāstus	antepast, antipasto, pabulum, pastel, pastern, pastiglia, pastille, pastor, pastorage, pastoral, pastorale, pastorate, pastorium, pasturable, pasturage, pastural, pasture, repast, repasture
pass-	sprinkle	Greek	πάσσειν (pássein), παστός (pastós)	paste
pass-	pace, step	Latin	passus
passer-	sparrow	Latin	passer	passeriform, passerine
pat-	path	Greek	πάτος (pátos), πατεῖν (pateîn), πατητός, πατητής, πατητήριον	peripatetic, peripateticism
pat-	be open	Latin	patere	impatent, patefaction, patella, patellar, patelliform, paten, patency, patent, patera, patin
path-	feeling, disease	Greek	πάσχειν (páskhein), παθητικός (pathētikós), πάθος (páthos)	allopath, allopathy, antipathy, apathetic, apathy, empathy, etiopathogenesis, homeopathic, homeopathy, idiopathic, pathetic, pathoclisis, pathogen, pathogenesis, pathogenic, pathologist, pathology, pathos, psychopath, psychopathic, psychopathy, sympathectomy, sympathetic, sympathy
pater-, patr-	father	Greek	πατήρ, πατρός (patḗr, patrós), πατριά (patriá), πατριώτης (patriṓtēs)	allopatric, allopatry, eupatrides, patriarch, patriarchy, patriot, patriotic, patriotism, patrology, patronym, patronymic, sympatric, sympatry
pater-, patr-	father	Latin	pater (genitive patris)	compadre, compaternity, compère, impetrate, impetration, impetrative, impetrator, Jupiter, padre, padrone, paterfamilias, paternal, paternity, paternoster, patriate, patriation, Patricia, patrician, patriciate, patricidal, patricide, Patrick, patriclinous, patricliny, patrifocal, patrilateral, patrilineage, patrilineal, patrilineality, patrilinear, patrilocal, patrilocality, patrimonial, patrimony, patron, patronage, patronal, patronate, patroness, patroon, patter, pattern, père, perpetrable, perpetrate, perpetration, perpetrator, repatriate, repatriation
pati-, pass-	suffer, feel, endure, permit	Latin	pati, passus	compassion, compassionate, compatibility, compatible, dispassion, dispassionate, impassible, impassion, impassive, impassivity, impatible, impatience, impatient, incompatibility, incompatible, interpatient, noncompatible, nonpassible, passibility, passible, passion, passional, passionary, passionate, passive, passivity, patible, patience, patient, patientive, perpession
pauc-	few	Latin	paucus	paucal, pauciloquent, paucity
pav-	beat	Latin	pavire	pavage, pave, pavement, pavior
pecc-	sin	Latin	peccatum "sin, fault, error", from peccare "to miss, mistake"	impeccable, peccadillo, peccant, peccavi
pect-	fixed	Greek	πηκτός (pēktós)	pectic, pectin
pector-	chest	Latin	pectus, pectoris	pectoral, expectorate
pecu-	property	Latin	pecunia "property", from pecu "cattle"	peculiar, pecuniary, pecunious
ped-	foot	Latin	pes, pedis	biped, bipedal, centipedal, centipede, decempedal, expediency, expedient, expeditate, expedite, expedition, expeditionary, expeditious, impeach, impeachable, impeachment, impede, impediment, impedition, impeditive, inexpedient, interpetiolar, intrapetiolar, millipede, multiped, multipede, octopede, oppidum, pawn, pedal, pedate, pedatifid, pedestal, pedestrian, pedicel, pedicle, pedicure, pediform, pedigerous, pedigree, peduncle, pedunculate, peon, peonage, petiolar, petiolate, petiole, petiolular, petiolulate, petiolule, piedfort, piedmont, pioneer, quadruped, quadrupedal, repedation, revamp, semiped, semipedal, sesquipedal, stapes, stapedius, subpetiolate, suppedaneum, tripedal, trivet, vamp, velocipede
peg-, pect-	fix	Greek	πηγνύναι (pēgnúnai), πηκτός (pēktós), πηκτικός (pēktikós), πῆξις (pêxis), πῆγμα (pêgma), πάγη (págē), πάγος (págos), πάγιος (págios), παγιότης (pagiótēs), πάσσαλος (pássalos)	hysteropexy, pagophobia, parapagus, pectic, pectin, rheopectic, rheopecty, rheopexy
pejor-	worse	Latin	pejor	pejorative
pel-	clay, mud	Greek	πηλός (pēlós)	pelite, pelitic
pelag-	sea	Greek	πέλαγος (pélagos), πελαγικός (pelagikós)	abyssopelagic, allopelagic, archipelagic, archipelago, bathypelagic, epipelagic, hadopelagic, mesopelagic, pelagic, pelagonym
pelarg-	stork	Greek	πελαργός (pelargós), πελαργώδης	pelargonic, Pelargonium
pell-, puls-	drive, push	Latin	pellere, pulsus	appulse, compel, compulsory, dispel, expel, expulsion, impel, impulse, propel, propellent, propulsion, propulsive, propulsor, pulsate, pulse, push, repel, repellent, repulsive
pemp-, pomp-	send	Greek	πέμπειν (pémpein), πομπή (pompḗ)	apopemptic, hypnopompic, pomp, psychopomp
pen-	almost	Latin	paene	peninsula, penultimate, penumbra
pen-, poen-, puni-	punish	Latin	punire "punish" (earlier poenire), from poena "punishment"	impune, impunity, pain, penal, penalize, penalty, penance, penitence, penitent, penitentiary, pine, punish, punitive, repent, subpoena
pend-, pens-	hang	Latin	pensare, frequentative of pendere	append, penchant, pendant, pending, pendulum, pensive, prepense, suspend, suspense
penia-	deficiency	Greek	πενία (penía)	leukopenia
penn-, pinn-	feather	Latin	penna, pinna	pennate, pinnacle, pinnate, pinnule
pent-	five	Greek	πέντε (pénte), πεντάς, πεντάδος (pentás, pentádos), πεντάκις (pentákis) "five times", πενταπλάσιος (pentaplásios) "five-fold", πενταχοῦ	diapente, pentachoric, pentad, pentagon, pentagram, pentalpha, pentapolis, pentatonic, pentatope, pentode
pentacosi-	five hundred	Greek	πεντακόσιοι (pentakósioi)	pentacosiomedimni
pentecont-	fifty	Greek	πεντήκοντα (pentḗkonta), πεντηκοντάς, πεντηκοντάδος (pentēkontás, pentēkontádos)	pentecontad, pentecontagon
pentecost-	fiftieth	Greek	πεντηκοστός (pentēkostós)	Pentecost, pentecostalism
peper-	pepper	Greek	πέπερι, πεπέρεως	paprika, pepper
pepon-	ripe	Greek	πέπων, πέπονος (pépōn, péponos)	pumpkin
pept-	digest	Greek	πέσσειν (péssein), πεπτός (peptós), πεπτικός (peptikós), πέψις (pépsis)	dipeptide, dyspepsia, dyspeptic, eupepsia, eupeptic, monopeptide, oligopeptide, pepsin, peptic, peptide, peptone, polypeptide, tetrapeptide, tripeptide
per-	wallet	Greek	πήρα (pḗra), πηρίδιον (pērídion)	peridium
per-, pel-	thoroughly, through	Latin	per	pellucid, perfection, permeate, pernicious, persistence, peruse, pervade
peran-	across, beyond	Greek	πέραν (péran)	Perates
perdic-	partridge	Greek	πέρδιξ, πέρδικος (pérdix, pérdikos)	Melanoperdix, partridge
peri-	around	Greek	περί (perí)	Pericles, pericope, perigee, perihelion, perimeter, period, periphery, periscope
persic-	peach	Greek	περσικός (persikós)
pessim-	worst	Latin	pessimus	pessimal, pessimistic
pet-	strive toward	Latin	petere	appetite, compete, competition, impetus, petition, petulant, propitiate, repeat, repetition
petr-	rock	Greek	πέτρα (pétra)	epipetric, petrify, petroglyph, petrographic, petrography, petroleum, petrology, petrosomatoglyph
phac-	lens	Greek	φακός (phakós)	Phacochoerus, phacoemulsification
phae-, phe-	dark	Greek	φαιός (phaiós)	phaeohyphomycosis, phaeomelanin, pheochrome, pheochromocytoma
phag-	eat	Greek	φαγεῖν (phageîn), φαγία (phagía)	autophagosome, autophagy, bacteriophage, dysphagia, esophagitis, geophagia, hematophagy, macrophage, odynophagia, phagocyte, phagocytosis, phagolysosome, phagophilia, phagophobia, phagosome, phagy, polyphagia, pseudodysphagia, sarcophagus
phalang-	close formation of troops, finger bones	Greek	φάλαγξ, φάλαγγος (phálangos)	aphalangia, phalanges, phalanx
phalar-	having a patch of white	Greek	φάλαρος (phálaros)	phalarope
pharmac-	drug, medicine	Greek	φάρμακον (phármakon)	alexipharmic, pharmaceutics, pharmacodynamics, pharmacogenetics, pharmacogenomic, pharmacokinetics, pharmacology, pharmacophobia, pharmacy
phan-, phen-	to show, visible	Greek	φαίνειν (phaínein), φαντός (phantós), φαινόμενον (phainómenon), φάσις (phásis)	diaphanous, emphasis, epiphany, fantasy, phanerozoic, phantasm, phantom, phase, phene, phenetic, phenology, phenomenon, phenotype, photic, prophase, sycophant, telophase, theophany, tryptophan
pheb-, phob-	fear	Greek	φέβεσθαι (phébesthai), φόβος (phóbos), φοβέω	autophobia, hydrophobia, panphobia, phobophobia
pher-, phor-	bear, carry	Greek	φέρειν (phérein), φορά (phorá), φόρος (phóros)	adiaphora, adiaphorism, anaphor, metaphor, pheromone, phoresis, phoresy, phosphor, prosphora, pyrophoric
pheug-, phyg- (ΦΥΓ)	flee	Greek	φεύγειν (pheúgein), φυγή, φυγάς, φυγάδος (phugás, phugádos) "fugitive", φυγαδικός	apophyge, hypophyge
phil-, -phile	love, friendship	Greek	φίλος (phílos), φιλικός (philikós), φιλεῖν (phileîn), φιλία (philía), φίλτρον (phíltron)	bibliophile, heterophil, hydrophile, paraphilia, philanthropy, philharmonic, philophobia, philosophy, philter, philtre, philtrum
phim-	muzzle	Greek	φῑμός (phīmós), φιμοῦν (phimoûn), φιμωτικός, φίμωσις (phímōsis)	paraphimosis, phimosis, phimotic
phleb-	vein	Greek	φλέψ, φλεβός (phléps, phlebós), φλέβιον	phlebitis, phlebography, phlebosclerosis, phlebotomist, phlebotomize, phlebotomy, thrombophlebitis
phleg-, phlog-	burn, heat, inflammation	Greek	φλέγειν (phlégein), φλέγμα (phlégma), φλόξ (phlóx) "flame"	phlegm, phlegmasia, phlegmatic, phlegmon, phlegmonous, phlogistic, phlogiston, Phlox
phloe-	tree bark	Greek	φλοιός (phloiós)	hypophloeodic, phlobaphene, phloem, phloeophagy
phlog-	fire, flame	Greek
phob-	fear	Greek	φόβος (phóbos)	acrophobia, arachnophobia, claustrophobia, ergophobia, homophobia, hydrophobia, zeusophobia
phon-	sound	Greek	φωνή (phōnḗ), φωνητικός (phōnētikós), φώνημα (phṓnēma)	acrophonic, acrophony, allophone, antiphon, antiphony, aphonia, aphonic, apophony, archiphoneme, cacophony, diaphony, diplophonia, dysphonia, euphonic, euphonious, euphonize, euphony, heterophonic, heterophony, homophone, homophonous, homophony, hypophonesis, ideophone, idiophone, isophone, logophonetic, megaphone, microphone, misophonia, monophonic, monophony, morphophonology, phonaesthesia, phonaesthetics, phone, phonemic, phonesthemic, phonetic, phonetics, phonics, phonogram, phonograph, phonology, phonophobia, phonosemantics, phonotactics, polyphonic, polyphony, stereophonic, symphonic, symphony, telephonic, telephony
phos-, phot-	light	Greek	φῶς, φωτός (phōtós)	aphotic, biophoton, cataphote, diphoton, euphotic, microphotograph, phosphor, phosphorus, photic, photo, photobiology, photocatalysis, photochromism, photoelectric, photogenic, photogram, photograph, photography, photolysis, photometer, photometric, photometry, photon, photoperiod, photophobia, photophone, photophore, photopic, photoptarmosis, photosynthesis, phototaxis, phototherapy, phototroph, telephoto
phrag- (ΦΡΑΓ)	fence	Greek	φράσσειν (phrássein), φράξις (phráxis), φράγμα (phrágma)	diaphragm
phren-, phron-	mind	Greek	φρήν, φρενός (phrḗn, phrenós)	euneirophrenia, euphrasy, Euphrosyne, frantic, frenetic, frenzy, oneirophrenia, phrenetic, -phrenia, phrenic, phrenitis, phrenology, phronema, phronesis, phronetic, schizophrenia, sophrosyne
phryn-	toad, toad-like	Greek	φρύνη (phrúnē)	Phrynobatrachus
phtheg-	utter	Greek	φθέγγεσθαι (phthéngesthai), φθεγκτός, φθεγκτικός, φθέγξις, φθέγμα, φθέγματος (phthégma, phthégmatos), φθεγματικός, φθόγγος (phthóngos), φθογγή	apophthegm, apophthegmatic, diphthong, diphthongize, monophthong, monophthongize
phyc-	seaweed	Greek	φῦκος, φύκεος (phûkos, phúkeos)	phycology, Phycomyces, schizophyceous
phyl-	tribe	Greek	φύλον (phúlon)	phylogenetics, phylum
phyll-	leaf	Greek	φύλλον (phúllon)	chlorophyll, phyllotaxis
phys-	bladder	Greek	φῦσα (phûsa)	physogastric, physostomous, Triplophysa
physi-	nature	Greek	φύσις (phúsis)	physics, physician
physalid-	bladder	Greek	φυσαλ(λ)ίς (phusal(l)is)	physalis
phyt-	plant	Greek	φύειν (phúein), φυτόν (phutón)	archaeophyte, autophyte, bryophyte, dermatophyte, neophyte, phytonym, phytoplankton
pi-	kind, devout, pity	Latin	pius	expiate, impious, piety, pious, pity
pic-	pitch	Latin	pix, picis	piceous
piez-	squeeze	Greek	πιέζειν (piézein), πιεστός (piestós), πίεσις, πίεσμα, πίεσματος, πιεστήρ	isopiestic, piezochromism, piezoelectric, piezometer
pil-	hair	Latin	pilus	depilatory, epilator
pil-	pillar, ball	Latin	pila	pile, pill, pillar, pillory
pin- (ΠΟ)	drink	Greek	πίνειν (pínein), πῶμα	pinocytosis
pin-	pine	Latin	pinus	pineal gland
ping-, pict-	paint	Latin	pingere, pictus	depiction, picture, pigment
pingu-	fat	Latin	pinguis	Pinguicula, pinguitude
pir-	try	Greek	πεῖρα, πείρας (peîra, peíras), πειρᾶν (peirân), πειρατής (peiratḗs), πειρατικός (peiratikós), (peirāteía), πειράζω, πείρασις, πειρασμός	antipiracy, apeirogon, apeirohedron, piracy, pirate, piratic
pir-	pear	Latin	pirus	piriformis muscle
pisc-	fish	Latin	piscis	Pisces, piscivore
pis-	pea	Greek	πίσος (písos)	pisoid, pisolite
pithec-	ape, monkey	Greek	πίθηκος (píthēkos)	australopithecine, Australopithecus, caenopithecine
plac-	plain, plate, tablet	Greek	πλάξ, πλακός (pláx, plakós)	Aplacophora, placenta, placode
plac-	calm	Latin	placare, placatus	implacable, placable, placate, please, supple
plac-, plea-	please	Latin	placēre, placitus	complacent, complaisant, displease, placebo, placid, plea, please, pleasure
plag-	oblique	Greek	πλάγος (plágos), πλάγιος (plágios), πλαγιότης	plage, plagiocephaly, plagioclase, plagiotropic, playa
plan-	wander	Greek	πλάνος, πλανάομαι, πλανᾶσθαι (planâsthai), (planáein), πλανητός (planētós), πλανήτης (planḗtēs)	aplanetic, aplanogamete, aplanospore, exoplanet, planet, planetoid, planetonym, planoblast, planogamete, planospore, protoplanet
plan-	flat	Latin	plānus	applanate, applanation, aquaplane, complanar, complanate, coplanar, coplanarity, deplanate, deplane, emplane, esplanade, explain, explanation, explanatory, peneplain, pianissimo, piano, pianoforte, plain, plaintext, plan, planar, planarian, planary, planate, planation, plane, planification, planiform, planish, planula, planular, planulate
plang-, planct-	strike, beat; lament, mourn	Latin	plangere, planctus	plangent
plas-	mould	Greek	πλάσσειν (plássein), πλαστός (plastós), πλαστικός (plastikós), πλάσις (plásis), πλάσμα, πλάσματος (plásma, plásmatos), πλάθω (pláthō)	plasma, plastic, plastique, plastochron, plastromancy, plastron, prosoplasia, protoplasm, pseudoplastic, symplast
plat-	flat, broad	Greek	πλατύς (platús), πλατεῖα (plateîa)	piazza, place, plaice, plateau, platitude, platyhelminth, platypus, Platyrrhini, platysma, Platyzoa, plaza
plaud-, -plod-, plaus-, -plos-	approve, clap	Latin	plaudere, plausus	applaud, applause, explode, explosion, implode, plaudits, plausible
ple- (ΠΛΕ)	fill, full	Greek	πιμπλάναι (pimplánai), πλέως/πλέος, πλειότερος, πλειότης, πλήρης (plḗrēs), πληρόω, πλήρωσις (plḗrōsis), πλήρωμα (plḗrōma), πλήθειν (plḗthein), πλῆθος (plêthos), πληθύς, πληθύω, πληθύνω (plēthúnō), πληθυντικός, πληθώρα/πληθώρη (plēthṓra), πληθωρικός (plēthōrikós), πληθυσμός (plēthusmós)	pleroma, plethodontid, plethora, plethoric, plethysm, plethysmograph, plethysmometry
ple-	sail, swim	Greek	πλεῖν (pleîn), πλεῦσις (pleûsis), πλόος	pleon, pleopod, pleuston
ple-, plet-	fill	Latin	plere	complement, complete, deplete, implement, replete, suppletion, supply
pleb-	people	Latin	plebs, plebis	plebeian, plebs
plec-, ploc-	plait, interweave	Greek	πλέκειν (plékein), πλεκτός (plektós), πλεκτικός (plektikós), πλέξις (pléxis), πλέγμα (plégma), πλοκή (plokḗ), πλόκος	plectics, plexogenic, ploce, symplectic, symplectomorphism, symploce
plect-, plex-	plait	Latin	plectere, plexus	perplex
pleg- (ΠΛΗΓ)	strike	Greek	πλήσσειν (plḗssein), πληκτός (plēktós), πλήκτης, πληγή (plēgḗ), πλῆξις (plêxis), πλῆγμα, πλήκτης, πλῆκτρον	apoplectic, apoplexy, cataplectic, cataplexy, hemiplegia, monoplegia, paraplegia, plectrum, pleximeter, tetraplegia
plen-	full	Latin	plenus	plenary, plenitude, plenty, replenish
plesi-	near	Greek	πλησίος (plēsíos), πλησιότης (plēsiótēs)	plesiosaur
pleth-
pleur-	rib, side	Greek	πλευρά (pleurá), πλευρόν (pleurón)	metapleural, pleura, pleurisy, pleuritis, pleurodynia, pleuron
plic-	fold	Latin	plicare, plicatus	appliance, applicability, applicable, applicant, applicate, application, applicative, applicator, applicatory, appliqué, apply, centuplicate, centuplication, complicacy, complicant, complicate, complication, complice, complicity, conduplicate, conduplication, duplication, explicate, explicit, implicate, implicit, imply, plait, pleat, pliable, pliant, plight, ply, replica, replicate, replication, replicative, replicator, reply, splay, subduplicate, supplicant, supplicate, supplication, triplicate, triplicity
plinth-	brick	Greek	πλίνθος (plínthos)	plinth, Plinthograptis
ploc-
plor-	cry out, complain	Latin	plorare	deplorable, deploration, deplore, exploration, exploratory, explore, imploration, imploratory, implore
plu-	rain	Latin	pluere, see also pluvia	pluvial
plum-	feather	Latin	pluma	plumage, plumate
plumb-	lead	Latin	plumbum	plumber
plur-, plus-	more	Latin	plus, pluris	double, plural, pluralist, plus, quadruple, surplus, triple
plurim-	most	Latin	plurimus	plurimal
plut-	wealth	Greek	πλοῦτος (ploûtos)	ploutonion, plutarchy, plutocracy, plutocrat, plutolatry, plutomania, plutonomics, Plutus
pne-	blow, breathe, lung	Greek	πνεῖν (pneîn), πνεῦμα (pneûma), πνεύμων (pneúmōn)	anapnograph, anapnoic, apnea, apnoea, dyspnoea, pleuropneumonia, pneumatic, pneumatology, pneumonia, pneumonic, pneumotaxic
pnig-, pnict-	choke	Greek	πνίγειν (pnígein), πνῖγος, πνῖγμα, πνιγμός, πνικτός, πνικτικός	pnictide, pnictogen
po-, pin- (ΠΟ)	drink	Greek	πίνειν (pínein), πόσις, πῶμα	pinocytosis, pinosome, symposium
pod-	foot	Greek	πούς, ποδός (podós), ποδικός (podikós), ποδία (podía), πόδιον (pódion), πέδον (pédon), πεδίον, πέζα	amphipod, antipode, decapod, podiatry, podium, podomancy, podomere, podopaediatric, polyp, polyposis, sympodium, tetrapod, tripod
pogon-	beard	Greek	πώγων, πώγωνος (pṓgōn, pṓgōnos), πωγωνίας (pōgōnías)	pogonia, pogoniasis, pogonology, pogonophobia, pogonotrophy, Triplopogon
poie-, poe-	make	Greek	ποιϝέω, ποιεῖν (poieîn), ποιητός (poiētós) "made", ποιητικός (poiētikós), ποίησις (poíēsis), ποίημα (poíēma), ποιητής (poiētḗs) "maker"	allopoiesis, autopoiesis, onomatopoeia, piyyut, poem, poesy, poet, poetaster, poetic, poiesis
pol-	pole	Greek	πόλος (pólos)	dipole, polar
pole-	sell	Greek	πωλεῖν (pōleîn), πώλησις, πώλης "seller"	duopoly, monopolist, monopolize, monopoly, oligopolist, oligopoly
polem-	war	Greek	πολεμεῖν (polemeîn), πόλεμος (pólemos), πολεμικός (polemikós)	polemarch, polemic, polemology
poli-	city	Greek	πόλις, πόλιος (pólis, pólios), πολίτης (polítēs), πολιτικός (politikós)	acropolis, biopolitics, cosmopolis, cosmopolitan, Decapolis, ecumenopolis, eperopolis, geopolitics, heptapolis, hexapolis, isopolity, megalopolis, megapolis, metropolis, pentapolis, police, policy, polis, politeia, politic, politicize, politics, politologist, politology, politonym, polity, propolis, tetrapolis, Tripoli
poli-	gray, grey	Greek	πολιός (poliós), πολιότης	poliomyelitis, poliosis
poll-	many	Greek	πολλός (pollós)
pollic-	thumb	Latin	pollex, pollicis	pollicate
pollin-	fine flour	Latin	pollen, pollinis	pollination
poly-	many	Greek	πολύς (polús), πολλός (pollós), πολλότης (pollótēs), πολλάκις (pollákis) "many times", πολλαπλάσιος/πολυπλάσιος, πλείων (pleíōn) "more", πλεῖστος (pleîstos) "most", πολλοστός (pollostós)	hoi polloi, pollakanth, polyadic, polyandry, polygamy, polygon, polyphase, polysaccharide, polytheistic
pomp-
pomph-	blister	Greek	πομφός (pomphós), πομφόλυξ	podopompholyx, pompholyx
pon-, posit-	put	Latin	ponere, positus	apposite, apropos, component, depose, deposit, exponent, expose, expound, impose, impound, opponent, position, positive, postpone, posture, propone, proponent, proposition, propound, repose
ponder-	weight	Latin	pondus, ponderis, ponderare	ponder, preponderance
pont-	bridge	Latin	pons, pontis	pontiff, pontificate, pontoon
popul-	people	Latin	populus, populare	population, popular, populous
por-	passage	Greek	πόρος (póros), πορεύω, πορίζειν (porízein), πόρισμα (pórisma)	aporetic, aporia, emporium, gonopore, ozopore, polypore, pore, porism, porismatic
porc-	pig	Latin	porcus	porcine, pork
porn-	prostitute	Greek	πόρνη (pórnē)	pornographic, pornography
porphyr-	purple	Greek	πορφύρα (porphúra)	porphyrin, porphyritic, porphyrophobia, porphyry
port-	carry	Latin	portare "to carry", porta "gate"	comportment, deport, export, import, port, portable, portage, portal, porter, portfolio, purport, rapport, report, support, transport
portion-	part, share	Latin	portio	portion, proportion
post-	after, behind	Latin	post	posterior, posterity, postscript
pot-	power	Latin	potere "be powerful", from potis "powerful, able"	despot, impotent, possess, potent, potentate, potential, power
pot-	drink	Latin	potus, potare	potable, potion
potam-	river	Greek	ποταμός (potamós)	autopotamic, hippopotamus, Mesopotamia, potamic, potamodromous, potamology, potamonym, potamophobia, potamoplankton
prag-	do	Greek	πράσσειν (prássein), πράττειν (práttein), πρασσόμενον, πρακτός (praktós), πρακτικός (praktikós), (prāktikḗ), πρᾶξις (prâxis), πρᾶγμα (prâgma)	apraxia, dyspraxia, parapraxis, practic, practice, pragma, pragmatic, pragmatism, pragmatist, praxis
pras-	leek	Greek	πράσον (práson), πράσινος (prásinos) "leek-green", πρασιά	chrysoprase, prasinous, prasinophobia
prat-	meadow	Latin	pratum
prav-	crooked	Latin	pravus	depravity
pre-	before	Latin	prae	previous
prec-	pray	Latin	precāri "to ask, beg, pray", from prex "prayer"	deprecation, imprecation, pray, prayer, precarious
pred-	prey	Latin	praedari "plunder", from praeda "prey"	depredate, predation, predator, predatory, prey
prehend-, prend-, prehens-	grasp	Latin	prehendere, prehensus	apprehend, comprehend, comprehensive, enterprise, prehensility, prehension, prey, prison, prize, reprehend, surprise
prem-, -prim-, press-	press	Latin	premere, pressus	compress, compression, compressor, depress, depression, depressive, espresso, express, expression, expressive, impress, impression, impressive, imprimatur, imprint, oppress, oppression, oppressive, oppressor, press, pressure, print, repress, repression, repressive, reprimand, suppress, suppression, suppressor
presby-	old	Greek	πρέσβυς (présbus), πρεσβύτερος (presbúteros), (presbutérion)	archpresbyter, presbyter, Presbyterianism, presbyterium, presbytery, priest, protopresbyter
preter-	past	Latin	praeter	preterite, pretermission
preti-	price	Latin	pretium, pretiare
pri-	saw	Greek	πρίειν (príein), πρῖσις (prîsis), πρίων, πρίονος (príōn, príonos)	prion
priap-		Greek	πριάπος	priapism, Priapus
prim-	first	Latin	primus	coprime, nonprime, prima facie, primacy, primal, primality, primary, primate, prime, primer, primeval, primine, primitive, primogeniture, primordial, primrose, Primula, semiprime, subprimal, subprime
prior-	former	Latin	prior	prior, priority, priory, pristine, repristinate, subprior
prism-	to saw, something sawed	Greek	πρίσμα, πρίσματος (prísma, prísmatos), πρισμάτιον (prismátion)	antiprism, prism, prismatic, prismatoid
priv-	own	Latin	privus, privare, privatus	deprivation, deprive, privacy, private, privateer, privation, privative, privilege, privity, privy, semiprivate
pro-	before, in front of	Greek	πρό (pró), πρότερος (próteros) "former", πρῶτος (prôtos)	prologue, prostate, prow
pro-	for, forward	Latin	pro	procrastinate, propel, propulsion
prob-	worthy, good	Latin	probare "prove to be worthy", probus	approbation, approve, disapprobation, opprobrium, probable, probation, probe, probity, proof, prove, reprobate, reprove
proct-	anus	Greek	πρωκτός (prōktós)	Ectoprocta, Entoprocta, epiproct, hypoproct, paraproct, periproct, proctalgia, proctology
prodig-	waste	Latin	prodigus "wasteful", from prodigere "drive away, waste"	prodigal, prodigality
prodig-	prodigy	Latin	prodigium "prodigy"	prodigious, prodigy
propri-	property; one's own	Latin	proprietas "appropriateness, property, ownership", from proprius "one's own"	appropriate, proper, property, proprietary, proprietor, propriety
pros-	forth, forward	Greek	πρός (prós), πρόσθεν (prósthen), πρόσθιος (prósthios)	prosenchyma, prosophobia, prosthesis, prosthion
prosop-	face	Greek	πρόσωπον (prósōpon)	aprosopia, diprosopus, prosopography, prosoponym, prosopopoeia, prosopospasm
prot-	first	Greek	πρῶτος (prôtos)	amphiprotic, antiproton, protagonist, protanomaly, protanopia, protein, protist, protocol, proton, protoplasm, prototype, Protozoa
proter-	former	Greek	πρό (pró), πρότερος (próteros), προτερέω	Proterozoic
proxim-	nearest	Latin	proximus, proximare	approximate, proximity
prun-	plum	Latin	prunus	prune
psa-	rub	Greek	ψᾶν (psân), ψαφαρός, ψήχειν, (psēstós)	palimpsest
psall-	pluck	Greek	ψάλλειν (psállein), ψαλμός (psalmós)	psalm, psalmodicon, psalmody, psalter, psaltery, psaltikon
psamath-	sand	Greek
psamm-	sand	Greek	ψάμμος (psámmos), ψάμαθος (psámathos)	psammite, psammitic, psammoma, psammophile, Psammophis, psammophyte, psammosere, psammous
pseph-	pebble	Greek	ψάω, ψῆφος (psêphos), ψηφίζειν (psēphízein)	isopsephy, psephite, psephitic, psephocracy, psephology
pseud-	false	Greek	ψεύδω, ψεῦδος (pseûdos)	pseudonym
pseud-	false	Greek	ψεύδομαι, ψευδής (pseudḗs)	pseudonym
psil-	bare	Greek	ψιλοῦν (psiloûn), ψιλός (psilós), ψιλότης, ψίλωσις (psílōsis)	epsilon, psilanthropism, psilanthropy, psilocybin, psilosis, psilotic, upsilon
psithyr-	whisper	Greek	ψίθυρος, ψιθυρίζω, ψιθυρισμός	Psithyrisma
psittac-	parrot	Greek	ψιττακός, ψιττακοῦ (psittakós, psittakoû)	psittacine, psittacism, psittacosis
psoph-	noise	Greek	ψόφος (psóphos), ψοφεῖν, ψοφητικός, ψόφησις, ψόφημα, ψοφοειδής	Psophiidae, Psophocichla, psophometer, psophometric
psor-	itch	Greek	ψωρός (psōrós), ψώρα (psṓra), ψωριᾶν (psōriân), (psōríāsis)	psora, psoriasis, psoric, psorosis
psych-	mind	Greek	ψύχειν (psúkhein), ψυχή (psukhḗ), ψυχικός (psukhikós)	hylopsychism, panpsychism, psyche, psychedelia, psychedelic, psychiatry, psychic, psychoanalysis, psychologist, psychology, psychopathic, psychopathy, psychopomp, psychosis, psychotherapy, psychotic, psychoticism
psychr-	cold	Greek	ψύχω, ψυχρός (psukhrós), ψυχρότης	psychroalgia, psychrometer, psychrophile, psychrophilic, psychrophily
pter-	wing	Greek	πτερόν, πτεροῦ (pterón, pteroû), πτέρυξ, πτέρυγος (ptérux, ptérugos), (pterugōtós), πτερίσκος	apterous, apterygote, archaeopteryx, brachypterous, brachyptery, Chiroptera, chiropterologist, Endopterygota, exopterygote, helicopter, hemipterous, heteropterous, homopterous, Neoptera, peripteros, pterodactyl, pteron, pteropod, pterosaur, pterostigma, pterygote, tetrapterous
pterid-	fern	Greek	πτερίς, πτερίδος (pterís, pterídos)	pteridology, pteridophyte, pteridosperm
pto-	fall	Greek	πίπτειν (píptein), πτωτός (ptōtós), πτωτικός (ptōtikós), πτῶσις (ptôsis), πτῶμα, πτῶματος (ptôma, ptômatos)	anaptotic, asymptomatic, apoptosis, peripeteia, peripety, polyptoton, proptosis, proptotic, ptomaine, ptosis, ptotic, symptom, symptomatic, symptosis
ptoch-	poor	Greek	πτωχός (ptōkhós), πτωχότης	ptochocracy, ptochology
pty-	spit	Greek	πτύειν, πτύον (ptúon), πτύσις (ptúsis), πτύαλον	hemoptysis, ptyalin, pyoptysis
ptych-	fold, layer	Greek	πτύσσειν (ptússein), πτύγμα (ptúgma), πτύξ (ptúx), πτυχός (ptukhós), πτυχή (ptukhḗ)	anaptyctic, anaptyxis, diptych, heptaptych, hexaptych, octaptych, pentaptych, polyptych, tetraptych, triptych
pub-	sexually mature	Latin	pubes, puberis	pubescent, pubic
public-	public	Latin	publicus	publication, publicity
pude-	shame	Latin	pudere	impudent, pudendum, repudiate
pug-, pugn-	fight	Latin	pugnare "to fight", from pugnus "fist"	impugn, pugilism, pugnacious, repugnant
pulchr-	beautiful	Latin	pulcher, pulchri	pulchritude
pulmon-	lung	Latin	pulmo, pulmonis	pulmonary
pulver-	dust	Latin	pulvis, pulveris	pulverize
pung-, punct-	prick	Latin	pungere, punctus	acupuncture, expunge, poignant, point, punch, punctual, punctuation, puncture, pungent
pup-	doll	Latin	pupa	pupa, pupate, puppet
pur-	pure	Latin	purare "to purify", from purus "pure"	impurity, pure, puree, purge, purify, purity
purg-	cleanse	Latin	purgare	expurgate, purgatory, purge
purpur-	purple	Latin	purpura	purpurate, purpureal
put-	prune, reckon	Latin	putāre	amputation, compute, dispute, impute, putative, reputation
py-	pus	Greek	πύον (púon), (pyeîn)	empyema, pyemia, pyemesis, pyesis, pyocyst, pyogenesis, pyorrhea, pyorrhoea, pyosis, pyoureter
pyel-	trough	Greek	πύελος (púelos), πυελίς	pyelectasis, pyelitis, pyelogram, pyelography, pyelonephritis, pyeloscopy
pyg-	rump	Greek	πυγή (pugḗ)	callipygian, pygopagus, pygostyle, steatopygia
pyl-	gate	Greek	πύλη (púlē), πυλών, πυλῶνος (pulṓn, pulōnos)	apopyle, micropyle, propylaea, prosopyle, pylon, pyloric, pylorus, tetrapylon, Thermopylae
pyr-	fire	Greek	πύρ, πυρός (púr, purós), πυρά (purá), πυρότης, πυρετός, πυρέττειν	antipyretic, Empyreuma, pyre, pyrite, pyroclastic, pyrolysis, pyromancy, pyromania, pyromaniac, pyrometric, pyrophobia, pyrophoric, pyrosis, pyrosome, pyrotechnic
pyramid-		Greek	πυραμίς, πυραμίδος	dipyramid, pyramid, pyramidion
pyrrh-	flame-colored	Greek	πῦρ, πυρρός, πυρρότης, πυρράζω	pyrrhic