| Tautologie | tautology |
| Auxologie | auxology |
| tautologisch | tautological |
| Autonomie | autonomy |
| Autotomie | autotomy |
| Autökologie | autecology physiological ecology |
| Aretologie | aretology |
| Erotologie | erotology |
| Hämatologie | haematology |
| Histologie | histology |
| Keltologie | Celtic studies |
| Motologie | motology |
| Oktologie | octology |
| Ontologie | ontology |
| Otologie | otology |
| Phytologie | phytology |
| Protologie | protology |
| Skatologie | scatology |
| Traumatologie | traumatology |
| Zytologie | cytology |