| Erotologie | erotology |
| Protologie | protology |
| Gerontologie | gerontology |
| Gelotologie | gelotology |
| Motologie | motology |
| Otologie | otology |
| Aretologie | aretology |
| Tropologie | tropology |
| Agnotologie | agnotology |
| Bromatologie | bromatology |
| Proktologin | proctologist |
| Deontologie | deontology |
| Dermatologie | dermatology |
| Herpetologie | herpetology |
| Histologie | histology |
| Keltologie | Celtic studies |
| Kryptologie | cryptology |
| Odontologie | odontology |
| Oktologie | octology |
| Ontologie | ontology |