| Photonentorpedo | photon torpedo |
| Photonensegel | photon sail |
| Photometeor | photometeor |
| Photosynthese | photosynthesis |
| Phonometrie | phonometry |
| Hottentotte | Hottentot |
| Protonenblocker | proton-pump inhibitor |
| Protonendonator | proton donor |
| Protonenmasse | proton mass |
| Protonentherapie | proton therapy |
| Phonendoskop | phonendoscope |
| Phonetiker | phonetician |
| Photokopie | photocopy |
| Photopeak | photopeak |
| Photorezeptor | photoreceptor |
| photokopieren | photocopy |
| Phoniatrie | phoniatrics |
| Phoronomie | kinematics |
| Photosphäre | photosphere |
| Hottentottin | Hottentot |