| Pteridophyll | pteridophyll |
| Pterodaktyl | pterodactyl |
| Pteridologie | pteridology |
| Eophyll | eophyll |
| Pterodaktylus | pterodactyl |
| Perikope | pericope |
| Periphyton | periphyton |
| Perihel | perihelion |
| perimortal | perimortal perimortem |
| peripher | peripheral |
| acidophil | acidophilic |
| Endophyt | endophyte |
| pädophil | paedophile |
| verdoppeln | double |
| Chlorophyll | chlorophyll |
| Myriophyllum | myriophyllum |
| Xanthophyll | xanthophyll |
| Xerophyt | xerophyte |
| thermophil | thermophile thermophilic |
| xerophil | xerophilous |