| pathogen | pathogenic |
| Pathogenese | pathogenesis |
| empathogen | empathogen |
| Paläogen | Paleogene |
| iatrogen | iatrogenic |
| Pathologe | pathologist |
| Patschen | flat tyre |
| patschen | slap |
| patzen | blunder |
| Pathos | pathos |
| Pathovar | pathovar |
| Patron | patron |
| Patrone | cartridge ink cartridge ink-jet cartridge |
| patchen | patch |
| Kathole | papist |
| Katholin | papist |
| Äthen | ethylene |
| Athen | Athens |
| Äthylen | ethylene |
| Kathode | cathode |