| planowy | systematic |
| plansza | board |
| Plansza tekstowa | Intertitle |
| plantacja | plantation |
| Planty krakowskie | Planty |
| Planá | Planá u Mariánských Lázní |
| plask | clap |
| Plasmodesma | Plasmodesmata |
| plasnąć | smack |
| plastelina | plasticine |
| plaster | honeycomb |
| plastik | plastic |
| plastikowy | plastic |
| Plastyd | Plastid |
| Plaszow | Kraków-Płaszów concentration camp |
| Plataks pospolity | Orbicular batfish |
| Platan zachodni | American sycamore |
| Platana | African clawed frog |
| Platanowate | Platanaceae |
| plateau | plateau |
| Plateje | Plataea |
| Platekarpus | Platecarpus |
| Platense Buenos Aires | Club Atlético Platense |
| Platense Montevideo | Club Atlético Platense |
| Platense Puerto Cortés | Club Deportivo Platense |
| Plateozaur | Plateosaurus |
| Plateozaury | Plateosauridae |
| Plateresco | Plateresque |
| Platforma Obywatelska | Citizens Platform |
| Platforma sprzętowa | Bed |
| platfus | flatfoot |
| Plato | Greek |
| Platon | Greek |
| Platoniczny | Platonic |
| Platonizm | Platonism |
| Platoński | Platonic |
| Platte | Platte River |
| Platte Północna | North Platte River |
| Plattling | Plattling |
| Platycodon grandiflorus | Chinese bellflower |
| Platydoras costatus | Striped Raphael catfish |
| platyna | platinum |
| Plaucja Urgulanilla | Plautia Urgulanilla |
| Plauen | Plauen |
| Plaut | Plautus |
| Plautdietsch | Low German |
| Plautilla | Fulvia Plautilla |
| Plav | Plav |
| Playback | Playback singer |
| Playboy | Playboy |
| Playdia | Playdia |
| Player versus Player | Player versus player |
| Playing the Angel | Playing the Angel |
| Plays Metallica By Four Cellos | Plays Metallica by Four Cellos |
| PlayStation Portable | PlayStation Portable |
| Plaza Colonia | Plaza Colonia |
| Plaza de España | Plaza de España |
| Plaza Mayor | Plaza Mayor of Madrid |
| Plazma | Plasma |
| Plazma kwarkowo-gluonowa | Quark-gluon plasma |
| plazma zarodkowa | germ plasm |
| Plazmid | Plasmid |
| Plazmid Ti | Ti plasmid |
| Plazmoliza | Plasmolysis |
| Plazmon | Plasmon |
| Plazy | Amphibian |
| Plaýa | Area |
| plaża | beach |
| Plaża Maho | Maho Beach |
| Plaża Omaha | Omaha Beach |
| Plaża Utah | Utah Beach |
| Plażowa piłka ręczna | Beach handball |
| plażowicz | sunbather |
| plażowy | beach |
| PLD Linux Distribution | PLD Linux Distribution |
| Please | PopHeart Live EP |
| Plebejusze | Plebs |
| plebiscyt | plebiscite |
| Plebiscyt Przeglądu Sportowego | Dutch Sportsman of the year |
| plecak | backpack |
| Plech | Plech |
| Plectorhinchus | Plectorhinchus |
| plecy | back |
| Pleidelsheim | Pleidelsheim |
| Pleiku | Pleiku |
| Pleinfeld | Pleinfeld |
| Pleiskirchen | Pleiskirchen |
| Plejada | Pleiad |
| Plejady | Pleiades |
| Plejone | Pleione |
| Plejotropia | Pleiotropy |
| Plejstocen | Pleistocene |
| Plekostomus | Plecostomus |
| Plektruda | Plectrude |
| Plemiona celtyckie | List of Celtic tribes |
| Plemiona germańskie | List of Germanic peoples |
| plemię | tribe |
| plemnik | sperm cell |
| Plener | En plein air |
| pleonazm | pleonasm |
| Plerion | Pulsar wind nebula |
| Plesieck | Plesetsk Cosmodrome |
| Plessis-Belleville | Le Plessis-Belleville |
| Pleszew | Pleszew |
| Pleszka chińska | Daurian Redstart |
| Pletyzmograf prąciowy | Penile plethysmograph |
| Pleurocel | Pleurocoelus |
| Pleurodynia | Bornholm disease |
| Plewen | Pleven |
| Pleystein | Pleystein |
| Pleć | Sex |
| Pleśniak biały | Mucor mucedo |
| Pleśniawka | Aphthous ulcer |
| Pleśnieć | Get mouldy |
| pleść | plait |
| Pleśń | Mold |
| Pliening | Pliening |
| Pliensbach | Pliensbachian |
| Pliezhausen | Pliezhausen |
| plik | file |
| Plik nagłówkowy | Header file |
| Plik obiektowy | Object file |
| Plik samorozpakowujący | Self-extracting archive |
| Plik urządzenia | Device file |
| Pliniusz | Pliny |
| Pliniusz Młodszy | Pliny the Younger |
| Pliniusz Starszy | Pliny the Elder |
| pliocen | Pliocene |
| Pliozaury | Pliosaur |
| Pliska | Pliska |
| pliszka | wagtail |
| Pliszka cytrynowa | Citrine Wagtail |
| Pliszka górska | Grey Wagtail |
| Pliszka żółta | Blue-headed Wagtail |
| Pliszkowate | Motacillidae |
| Pljevlja | Pljevlja |
| Plochingen | Plochingen |
| Ploeszti | Ploieşti |
| Ploidia | Ploidy |
| Plomykówka brunatna | Taliabu Owl |
| plon | yield |
| Plopeni | Plopeni |
| plotka | rumor |
| plotkara | gossiper |
| plotkować | gossip |
| Plotosowate | Eeltail catfish |
| Plotyn | Plotinus |
| Ploče | Ploče |
| plucha | blustery weather |
| plucie | spitting |
| Pluco | Lung |
| Plug and Play | Plug-and-play |
| plugastwo | squalor |
| Plugawić | Soil |
| plugawy | sleazy |
| Pluggable Authentication Modules | Pluggable Authentication Modules |
| PLUNA | PLUNA |
| Pluralis majestatis | Pluralis majestatis |
| Pluripotencja | Pluripotency |
| plus | plus |
| Plus i minus | Plus and minus signs |
| plusk | splash |
| Plusknia jagodziak | Sloe bug |
| Pluskolcowate | Notonectidae |
| pluskolec | backswimmer |
| pluskwa | wiretap |
| Pluskwiaki | Hemiptera |
| Pluskwiaki równoskrzydłe | Hemiptera |
| Pluskwiaki różnoskrzydłe | Heteroptera |
| Pluszcz | White-throated Dipper |
| pluszowy miś | teddy bear |
