| Phonologe | phonologist |
| Phonologie | phonology |
| Phonologin | phonologist |
| Pönologie | penology |
| Önologe | enologist |
| Phrenologe | phrenologist |
| Podologe | podiatrist |
| Philologe | philologist |
| Pomologe | pomologist |
| Photolyse | photolysis |
| Chronologie | chronology |
| Monolog | monologue |
| Önologie | oenology enology |
| Palynologe | palynologist |
| Phrenologie | phrenology |
| Sinologe | sinologist |
| Ethnologe | ethnologist |
| Limnologe | limnologist |
| Horologie | horology |
| Ontologe | ontologist |