| Photopeak | photopeak |
| Photopsie | photopsia |
| Photograph | photographer |
| Photolyse | photolysis |
| Phosphat | phosphate |
| Photon | photon |
| Photosphäre | photosphere |
| Phobos | Phobos |
| Phokomelie | phocomelia |
| Phokomelus | phocomelia |
| Phonemik | phonology |
| Phonologe | phonologist |
| Phosphid | phosphide |
| Phosphin | phosphine |
| Photokopie | photocopy |
| Photometeor | photometeor |
| Photopapier | photographic paper |
| Photophobia | photophobia |
| phono- | phono- |
| photonisch | photonic |