| Phonologie | phonology |
| Phonologe | phonologist |
| Phonologin | phonologist |
| Pönologie | penology |
| Chronologie | chronology |
| Önologie | oenology enology |
| Phrenologie | phrenology |
| Horologie | horology |
| Chorologie | chorology |
| Homologie | homology |
| Philologie | philology |
| Phykologie | phycology |
| Phytologie | phytology |
| Podologie | chiropody podiatry |
| Pomologie | pomology |
| Protologie | protology |
| Photokopie | photocopy |
| phonologisch | phonological |
| Phoronomie | kinematics |
| Pulmonologie | pulmonology |