| Photorezeptor | photoreceptor |
| Photometeor | photometeor |
| Protonenakzeptor | proton acceptor |
| Rezeptor | receptor |
| Photopapier | photographic paper |
| Protektor | protector |
| Thermorezeption | thermoception |
| Kochrezept | recipe |
| Photograph | photographer |
| Photographie | photograph |
| Photographin | photographer |
| Photokopie | photocopy |
| Photolyse | photolysis |
| Photonensegel | photon sail |
| Photopeak | photopeak |
| Phosphor | phosphorus |
| Photooxidation | photooxidation |
| Photopsie | photopsia |
| Photosphäre | photosphere |
| Motorvelo | moped |