| pakhús |  | pach-[1] | thick | παχύς (pakhús), πάχος, πάχεος (pákhos, pákheos) | pachydermata, pachyglossia, pachynsis, Pachypodium |
| paíein |  | pae-[2] | strike | παίειν (paíein), (paistos) | anapaest, anapaestic, anapest, anapestic |
| paidós |  | paed-, ped-[3] | child | παῖς, παιδός (paîs, paidós), παιδικός (paidikós) | orthopedic, paediatric, paedogenesis, paedomorphism, page, pedagogue, pedagogy, pedant, pedantic, pediatric, pedodontics, pedophilia |
| palaiós |  | palae-, pale-[4] | ancient, old | παλαιός (palaiós) | paleo diet, paleobiology, paleobotanic, Paleocene, Paleogene, Paleolithic, paleology, paleomagnetism, paleontology, paleopolyploidy, paleopsychology, Paleozoic |
| pálin |  | palin-, palim-[5] | back | πάλιν (pálin) | palimpsest, palindrome, palingenesis, palinspastic |
| Pán |  | pan- | Pan | πάειν, Πάν (Pán), Πανικός (Panikós) | panic |
| pantós |  | pan-, pam-[6] | all | πᾶς, παντός (pantós), πᾶν (pân), πασῶν, παντότης, πάντοθεν | diapason, panacea, pandemic, pandemonium, panoply, panoptic, pantology, parrhesia |
| pará |  | par-, para-[7] | beside, near | παρά (pará) | parable, parabola, parallel, parallelepiped, parameter, parapagus, paradox, parody |
| parthénos |  | parthen-[8] | virgin | παρθένος (parthénos) | parthenocarpy, parthenogenesis, Parthenon, Parthenope |
| pássein |  | pass-[9] | sprinkle | πάσσειν (pássein), παστός (pastós) | paste |
| pátos |  | pat-[10] | path | πάτος (pátos), πατεῖν (pateîn), πατητός, πατητής, πατητήριον | peripatetic, peripateticism |
| páskhein |  | path-[11] | feeling, disease | 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 |
| patrós |  | pater-, patr-[12] | father | πατήρ, πατρός (patḗr, patrós), πατριά (patriá), πατριώτης (patriṓtēs) | allopatric, allopatry, eupatrides, patriarch, patriarchy, patriot, patriotic, patriotism, patrology, patronym, patronymic, sympatric, sympatry |
| pēktós |  | pect- | fixed | πηκτός (pēktós) | pectic, pectin |
| pēgnúnai |  | peg-, pect-[13] | fix | πηγνύναι (pēgnúnai), πηκτός (pēktós), πηκτικός (pēktikós), πῆξις (pêxis), | hysteropexy, pagophobia, parapagus, pectic, pectin, rheopectic, rheopecty, rheopexy |
| pēlós |  | pel-[14] | clay, mud | πηλός (pēlós) | pelite, pelitic |
| pélagos |  | pelag-[15] | sea | πέλαγος (pélagos), πελαγικός (pelagikós) | abyssopelagic, allopelagic, archipelagic, archipelago, bathypelagic, epipelagic, hadopelagic, mesopelagic, pelagic, pelagonym |
| pelargós |  | pelarg-[16] | stork | πελαργός (pelargós), πελαργώδης | pelargonic, Pelargonium |
| pémpein |  | pemp-, pomp- | send | πέμπειν (pémpein), πομπή (pompḗ) | apopemptic, hypnopompic, pomp, psychopomp |
| penía |  | penia- | deficiency | πενία (penía) | leukopenia |
| pénte |  | pent-[17] | five | 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 |
| pentakósioi |  | pentacosi-[18] | five hundred | πεντακόσιοι (pentakósioi) | pentacosiomedimni |
| pentḗkonta |  | pentecont-[19] | fifty | πεντήκοντα (pentḗkonta), πεντηκοντάς, πεντηκοντάδος (pentēkontás, pentēkontádos) | pentecontad, pentecontagon |
| pentēkostós |  | pentecost-[20] | fiftieth | πεντηκοστός (pentēkostós) | Pentecost, pentecostalism |
| |  | peper-[21] | pepper | πέπερι, πεπέρεως | paprika, pepper |
| péponos |  | pepon-[22] | ripe | πέπων, πέπονος (pépōn, péponos) | pumpkin |
| péssein |  | pept- | digest | πέσσειν (péssein), πεπτός (peptós), πεπτικός (peptikós), πέψις (pépsis) | dipeptide, dyspepsia, dyspeptic, eupepsia, eupeptic, monopeptide, oligopeptide, pepsin, peptic, peptide, peptone, polypeptide, tetrapeptide, tripeptide |
| pḗra |  | per- | wallet | πήρα (pḗra), πηρίδιον (pērídion) | peridium |
| péran |  | peran- | across, beyond | πέραν (péran) | Perates |
| pérdikos |  | perdic-[23] | partridge | πέρδιξ, πέρδικος (pérdix, pérdikos) | Melanoperdix, partridge |
| perí |  | peri-[24] | around | περί (perí) | Pericles, pericope, perigee, perihelion, perimeter, period, periphery, periscope |
| persikós |  | persic-[25] | peach | περσικός (persikós) | |
| pétra |  | petr-[26] | rock | πέτρα (pétra) | epipetric, petroglyph, petrographic, petrography, petroleum, petrology, petrosomatoglyph |
| phaiós |  | phae-, phe-[27] | dark | φαιός (phaiós) | phaeohyphomycosis, phaeomelanin, pheochrome, pheochromocytoma |
| phageîn |  | phag- | eat | φαγεῖν (phageîn), φαγία (phagía) | autophagosome, autophagy, bacteriophage, dysphagia, esophagitis, geophagia, hematophagy, macrophage, odynophagia, phagocyte, phagocytosis, phagolysosome, phagophilia, phagophobia, phagosome, phagy, polyphagia, pseudodysphagia, sarcophagus |
| phálangos |  | phalang-[28] | close formation of troops, finger bones | φάλαγξ, φάλαγγος (phálangos) | aphalangia, phalanges, phalanx |
| phálaros |  | phalar-[29] | having a patch of white | φάλαρος (phálaros)[30] | phalarope |
| phármakon |  | pharmac-[31] | drug, medicine | φάρμακον (phármakon) | alexipharmic, pharmaceutics, pharmacodynamics, pharmacogenetics, pharmacogenomic, pharmacokinetics, pharmacology, pharmacophobia, pharmacy |
| phaínein |  | phan-, phen-[32] | to show, visible | 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 |
| phébesthai |  | pheb-, phob-[33] | fear | φέβεσθαι (phébesthai), φόβος (phóbos), φοβέω | autophobia, hydrophobia, panphobia, phobophobia |
| phérein |  | pher-, phor-[34] | bear, carry | φέρειν (phérein), φορά (phorá), φόρος (phóros) | adiaphora, adiaphorism, anaphor, metaphor, pheromone, phoresis, phoresy, phosphor, prosphora, pyrophoric |
| pheúgein |  | pheug-, phyg-[35] (ΦΥΓ) | flee | φεύγειν (pheúgein), φυγή, φυγάς, φυγάδος (phugás, phugádos) “fugitive”, φυγαδικός | apophyge, hypophyge |
| phílos |  | phil-, -phile[36] | love, friendship | φίλος (phílos), φιλικός (philikós), φιλεῖν (phileîn), φιλία (philía), φίλτρον (phíltron) | bibliophile, heterophil, hydrophile, paraphilia, philanthropy, philharmonic, philophobia, philosophy, philter, philtre, philtrum |
| phīmós |  | phim-[37] | muzzle | φῑμός (phīmós), φιμοῦν (phimoûn), φιμωτικός, φίμωσις (phímōsis) | paraphimosis, phimosis, phimotic |
| phlebós |  | phleb-[38] | vein | φλέψ, φλεβός (phléps, phlebós), φλέβιον | phlebitis, phlebography, phlebosclerosis, phlebotomist, phlebotomize, phlebotomy, thrombophlebitis |
| phlégein |  | phleg-, phlog-[39] | burn, heat, inflammation | φλέγειν (phlégein), φλέγμα (phlégma), φλόξ (phlóx) “flame” | phlegm, phlegmasia, phlegmatic, phlegmon, phlegmonous, phlogistic, phlogiston, Phlox |
| phloiós |  | phloe-[40] | tree bark | φλοιός (phloiós) | hypophloeodic, phlobaphene, phloem, phloeophagy |
| phóbos | | phob- | fear | φόβος (phóbos) | acrophobia, arachnophobia, claustrophobia, ergophobia, homophobia, hydrophobia, zeusophobia |
| phōnḗ |  | phon-[41] | sound | 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 |
| phōtós |  | phos-, phot- | light | 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 |
| phrássein |  | phrag-[42] (ΦΡΑΓ) | fence | φράσσειν (phrássein), φράξις (phráxis), φράγμα (phrágma) | diaphragm |
| phrenós |  | phren-, phron-[43] | mind | φρήν, φρενός (phrḗn, phrenós) | euneirophrenia, euphrasy, Euphrosyne, frantic, frenetic, frenzy, oneirophrenia, phrenetic, -phrenia, phrenic, phrenitis, phrenology, phronema, phronesis, phronetic, schizophrenia, sophrosyne |
| phrúnē |  | phryn-[44] | toad, toad-like | φρύνη (phrúnē) | Phrynobatrachus |
| phthéngesthai |  | phtheg-[45] | utter | φθέγγεσθαι (phthéngesthai), φθεγκτός, φθεγκτικός, φθέγξις, φθέγμα, φθέγματος (phthégma, phthégmatos), φθεγματικός, φθόγγος (phthóngos), φθογγή | apophthegm, apophthegmatic, diphthong, diphthongize, monophthong, monophthongize |
| phúkeos |  | phyc-[46] | seaweed | φῦκος, φύκεος (phûkos, phúkeos) | phycology, Phycomyces, schizophyceous |
| phúlon |  | phyl- | tribe | φύλον (phúlon) | phylogenetics, phylum |
| phúllon |  | phyll-[47] | leaf | φύλλον (phúllon) | chlorophyll, phyllotaxis |
| phûsa |  | phys-[48] | bladder | φῦσα (phûsa) | physogastric, physostomous, Triplophysa |
| phúsis |  | physi- | nature | φύσις (phúsis) | physics, physician |
| λ | | physalid- | bladder | φυσαλ(λ)ίς (phusal(l)is) | physalis |
| phúein |  | phyt- | plant | φύειν (phúein), φυτόν (phutón) | archaeophyte, autophyte, bryophyte, dermatophyte, neophyte, phytonym, phytoplankton |
| piézein |  | piez-[49] | squeeze | πιέζειν (piézein), πιεστός (piestós), πίεσις, πίεσμα, πίεσματος, πιεστήρ | isopiestic, piezochromism, piezoelectric, piezometer |
| pínein |  | pin-[50] (ΠΟ) | drink | πίνειν (pínein), πῶμα | pinocytosis |
| peíras |  | pir-[51] | try | πεῖρα, πείρας (peîra, peíras), πειρᾶν (peirân), πειρατής (peiratḗs), πειρατικός (peiratikós), (peirāteía), πειράζω, πείρασις, πειρασμός | antipiracy, apeirogon, apeirohedron, piracy, pirate, piratic |
| písos |  | pis-[52] | pea | πίσος (písos) | pisoid, pisolite |
| píthēkos |  | pithec-[53] | ape, monkey | πίθηκος (píthēkos) | australopithecine, Australopithecus, caenopithecine |
| plakós |  | plac-[54] | plain, plate, tablet | πλάξ, πλακός (pláx, plakós) | Aplacophora, placenta, placode |
| plágos |  | plag-[55] | oblique | πλάγος (plágos), πλάγιος (plágios), πλαγιότης | plage, plagiocephaly, plagioclase, plagiotropic, playa |
| planâsthai |  | plan-[56] | wander | πλάνος, πλανάομαι, πλανᾶσθαι (planâsthai), (planáein), πλανητός (planētós), πλανήτης (planḗtēs) | aplanetic, aplanogamete, aplanospore, exoplanet, planet, planetoid, planetonym, planoblast, planogamete, planospore, protoplanet |
| plássein |  | plas-[57] | mould | πλάσσειν (plássein), πλαστός (plastós), πλαστικός (plastikós), πλάσις (plásis), πλάσμα, πλάσματος (plásma, plásmatos), πλάθω (pláthō) | plasma, plastic, plastique, plastochron, plastromancy, plastron, prosoplasia, protoplasm, pseudoplastic, symplast |
| platús |  | plat-[58] | flat, broad | πλατύς (platús), πλατεῖα (plateîa) | piazza, place, plaice, plateau, platitude, platyhelminth, platypus, Platyrrhini, platysma, Platyzoa, plaza |
| pimplánai |  | ple-[59] (ΠΛΕ) | fill, full | 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 |
| pleîn |  | ple-[60] | sail, swim | πλεῖν (pleîn), πλεῦσις (pleûsis), πλόος | pleon, pleopod, pleuston |
| plékein |  | plec-, ploc-[61] | plait, interweave | πλέκειν (plékein), πλεκτός (plektós), πλεκτικός (plektikós), πλέξις (pléxis), πλέγμα (plégma), πλοκή (plokḗ), πλόκος | plectics, plexogenic, ploce, symplectic, symplectomorphism, symploce |
| plḗssein | | pleg-[62] (ΠΛΗΓ) | strike | πλήσσειν (plḗssein), πληκτός (plēktós), πλήκτης, πληγή (plēgḗ), πλῆξις (plêxis), πλῆγμα, πλήκτης, πλῆκτρον | apoplectic, apoplexy, cataplectic, cataplexy, hemiplegia, monoplegia, paraplegia, plectrum, pleximeter, tetraplegia |
| plēsíos | | plesi- | near | πλησίος (plēsíos), πλησιότης (plēsiótēs) | plesiosaur |
| pleurá |  | pleur-[63] | rib, side | πλευρά (pleurá), πλευρόν (pleurón) | metapleural, pleura, pleurisy, pleuritis, pleurodynia, pleuron |
| plínthos |  | plinth-[64] | brick | πλίνθος (plínthos) | plinth, Plinthograptis |
| ploûtos |  | plut-[65] | wealth | πλοῦτος (ploûtos) | ploutonion, plutarchy, plutocracy, plutocrat, plutolatry, plutomania, plutonomics, Plutus |
| pneîn |  | pne-[66] | blow, breathe, lung | πνεῖν (pneîn), πνεῦμα (pneûma), πνεύμων (pneúmōn) | anapnograph, anapnoic, apnea, apnoea, dyspnoea, pleuropneumonia, pneumatic, pneumatology, pneumonia, pneumonic, pneumotaxic |
| pnígein |  | pnig-, pnict-[67] | choke | πνίγειν (pnígein), πνῖγος, πνῖγμα, πνιγμός, πνικτός, πνικτικός | pnictide, pnictogen |
| pínein | | po-, pin-[68] (ΠΟ) | drink | πίνειν (pínein), πόσις, πῶμα | pinocytosis, pinosome, symposium |
| podós |  | pod-[69] | foot | 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 |
| pṓgōnos |  | pogon-[70] | beard | πώγων, πώγωνος (pṓgōn, pṓgōnos), πωγωνίας (pōgōnías) | pogonia, pogoniasis, pogonology, pogonophobia, pogonotrophy, Triplopogon |
| poieîn |  | poie-, poe-[71] | make | 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 |
| pólos |  | pol-[72] | pole | πόλος (pólos) | dipole, polar |
| pōleîn |  | pole-[73] | sell | πωλεῖν (pōleîn), πώλησις, πώλης “seller” | duopoly, monopolist, monopolize, monopoly, oligopolist, oligopoly |
| polemeîn |  | polem-[74] | war | πολεμεῖν (polemeîn), πόλεμος (pólemos), πολεμικός (polemikós) | polemarch, polemic, polemology |
| pólios |  | poli-[75] | city | 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 |
| poliós |  | poli-[76] | gray, grey | πολιός (poliós), πολιότης | poliomyelitis, poliosis |
| pollós |  | poll-[77] | many | πολλός (pollós) | |
| polús | | poly-[78] | many | 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 |
| pomphós |  | pomph-[79] | blister | πομφός (pomphós), πομφόλυξ | podopompholyx, pompholyx |
| póros |  | por-[80] | passage | πόρος (póros), πορεύω, πορίζειν (porízein), πόρισμα (pórisma) | aporetic, aporia, emporium, gonopore, ozopore, polypore, pore, porism, porismatic |
| pórnē |  | porn-[81] | prostitute | πόρνη (pórnē) | pornographic, pornography |
| porphúra |  | porphyr-[82] | purple | πορφύρα (porphúra) | porphyrin, porphyritic, porphyrophobia, porphyry |
| potamós |  | potam-[83] | river | ποταμός (potamós) | autopotamic, hippopotamus, Mesopotamia, potamic, potamodromous, potamology, potamonym, potamophobia, potamoplankton |
| prássein |  | prag-[84] | do | πράσσειν (prássein), πράττειν (práttein), πρασσόμενον, πρακτός (praktós), πρακτικός (praktikós), (prāktikḗ), πρᾶξις (prâxis), πρᾶγμα (prâgma) | apraxia, dyspraxia, parapraxis, practic, practice, pragma, pragmatic, pragmatism, pragmatist, praxis |
| práson |  | pras-[85] | leek | πράσον (práson), πράσινος (prásinos) “leek-green”, πρασιά | chrysoprase, prasinous, prasinophobia |
| présbus |  | presby-[86] | old | πρέσβυς (présbus), πρεσβύτερος (presbúteros), (presbutérion) | archpresbyter, presbyter, Presbyterianism, presbyterium, presbytery, priest, protopresbyter |
| príein |  | pri-[87] | saw | πρίειν (príein), πρῖσις (prîsis), πρίων, πρίονος (príōn, príonos) | prion |
| | | priap-[88] | | πριάπος | priapism, Priapus |
| prísmatos | | prism-[89] | to saw, something sawed | πρίσμα, πρίσματος (prísma, prísmatos), πρισμάτιον (prismátion) | antiprism, prism, prismatic, prismatoid |
| pró |  | pro-[90] | before, in front of | πρό (pró), πρότερος (próteros) “former”, πρῶτος (prôtos) | prologue, prostate, prow |
| prōktós |  | proct-[91] | anus | πρωκτός (prōktós) | Ectoprocta, Entoprocta, epiproct, hypoproct, paraproct, periproct, proctalgia, proctology |
| prós |  | pros-[92] | forth, forward | πρός (prós), πρόσθεν (prósthen), πρόσθιος (prósthios) | prosenchyma, prosophobia, prosthesis, prosthion |
| prósōpon |  | prosop-[93] | face | πρόσωπον (prósōpon) | aprosopia, diprosopus, prosopography, prosoponym, prosopopoeia, prosopospasm |
| prôtos |  | prot-[94] | first | πρῶτος (prôtos) [note 1] | amphiprotic, antiproton, protagonist, protanomaly, protanopia, protein, protist, protocol, proton, protoplasm, prototype, Protozoa |
| pró |  | proter-[95] | former | πρό (pró), πρότερος (próteros), προτερέω | Proterozoic |
| psân |  | psa-[96] | rub | ψᾶν (psân), ψαφαρός, ψήχειν, (psēstós) | palimpsest |
| psállein |  | psall-[97] | pluck | ψάλλειν (psállein), ψαλμός (psalmós) | psalm, psalmodicon, psalmody, psalter, psaltery, psaltikon |
| |  | psamath- | sand | | |
| psámmos | | psamm- | sand | ψάμμος (psámmos), ψάμαθος (psámathos) | psammite, psammitic, psammoma, psammophile, Psammophis, psammophyte, psammosere, psammous |
| psêphos |  | pseph- | pebble | ψάω, ψῆφος (psêphos), ψηφίζειν (psēphízein) | isopsephy, psephite, psephitic, psephocracy, psephology |
| pseûdos |  | pseud-[98] | FALSE | ψεύδω, ψεῦδος (pseûdos) | pseudonym |
| pseudḗs | | pseud- | FALSE | ψεύδομαι, ψευδής (pseudḗs) | pseudonym |
| psiloûn |  | psil-[99] | bare | ψιλοῦν (psiloûn), ψιλός (psilós), ψιλότης, ψίλωσις (psílōsis) | epsilon, psilanthropism, psilanthropy, psilocybin, psilosis, psilotic, upsilon |
| |  | psithyr-[100] | whisper | ψίθυρος, ψιθυρίζω, ψιθυρισμός | Psithyrisma |
| psittakós |  | psittac-[101] | parrot | ψιττακός, ψιττακοῦ (psittakós, psittakoû) | psittacine, psittacism, psittacosis |
| psóphos |  | psoph-[102] | noise | ψόφος (psóphos), ψοφεῖν, ψοφητικός, ψόφησις, ψόφημα, ψοφοειδής | Psophiidae, Psophocichla, psophometer, psophometric |
| psōrós |  | psor-[103] | itch | ψωρός (psōrós), ψώρα (psṓra), ψωριᾶν (psōriân), (psōríāsis) | psora, psoriasis, psoric, psorosis |
| psúkhein | | psych-[104] | mind | ψύχειν (psúkhein), ψυχή (psukhḗ), ψυχικός (psukhikós) | hylopsychism, panpsychism, psyche, psychedelia, psychedelic, psychiatry, psychic, psychoanalysis, psychologist, psychology, psychopathic, psychopathy, psychopomp, psychosis, psychotherapy, psychotic, psychoticism |
| psukhrós |  | psychr-[105] | cold | ψύχω, ψυχρός (psukhrós), ψυχρότης | psychroalgia, psychrometer, psychrophile, psychrophilic, psychrophily |
| pterón |  | pter-[106] | wing | 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 |
| pterídos |  | pterid-[107] | fern | πτερίς, πτερίδος (pterís, pterídos) | pteridology, pteridophyte, pteridosperm |
| píptein |  | pto-[108] | fall | 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 |
| ptōkhós |  | ptoch-[109] | poor | πτωχός (ptōkhós), πτωχότης | ptochocracy, ptochology |
| ptúon |  | pty-[110] | spit | πτύειν, πτύον (ptúon), πτύσις (ptúsis), πτύαλον | hemoptysis, ptyalin, pyoptysis |
| ptússein |  | ptych-[111] | fold, layer | πτύσσειν (ptússein), πτύγμα (ptúgma), πτύξ (ptúx), πτυχός (ptukhós), πτυχή (ptukhḗ) | anaptyctic, anaptyxis, diptych, heptaptych, hexaptych, octaptych, pentaptych, polyptych, tetraptych, triptych |
| púon |  | py-[112] | pus | πύον (púon), (pyeîn) | empyema, pyemia, pyemesis, pyesis, pyocyst, pyogenesis, pyorrhea, pyorrhoea, pyosis, pyoureter |
| púelos |  | pyel-[113] | trough | πύελος (púelos), πυελίς | pyelectasis, pyelitis, pyelogram, pyelography, pyelonephritis, pyeloscopy |
| pugḗ |  | pyg-[114] | rump | πυγή (pugḗ) | callipygian, pygopagus, pygostyle, steatopygia |
| púlē |  | pyl-[115] | gate | πύλη (púlē), πυλών, πυλῶνος (pulṓn, pulōnos) | apopyle, micropyle, propylaea, prosopyle, pylon, pyloric, pylorus, tetrapylon, Thermopylae |
| púr |  | pyr-[116] | fire | 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-[117] | | πυραμίς, πυραμίδος | dipyramid, pyramid, pyramidion |
| | | pyrrh-[118] | flame-colored | πῦρ, πυρρός, πυρρότης, πυρράζω | pyrrhic |
