| Pterodaktyl | pterodactyl |
| Pterodaktylus | pterodactyl |
| Pterosaurus | pterosaur |
| Pteridophyll | pteridophyll |
| peroral | peroral |
| Produkt | product |
| produktiv | productive |
| Prolaktin | prolactin |
| Tetraktys | tetractys |
| proaktiv | proactive |
| Pterosaurier | pterosaur |
| Heteroatom | heteroatom |
| Interaktom | interactome |
| Iterativ | frequentative |
| iterativ | iterative |
| Iterator | iterator |
| Steradiant | steradian |
| Teriyaki | teriyaki |
| Interdikt | interdict |
| Osteroktav | Octave of Easter |