| Auxologie | auxology |
| Sexologie | sexology |
| Doxologie | doxology |
| Aerologie | aerology |
| Areologie | areology |
| Arkologie | arcology |
| Audiologie | audiology |
| Ufologie | ufology |
| Abiologie | abiology |
| Algologie | algology |
| Apologie | apology apologia |
| Axiologie | axiology |
| Ludologie | ludology |
| Runologie | runology |
| Tautologie | tautology |
| Urologie | urology |
| Ätiologie | etiology aetiology |
| Sexologe | sexologist |
| Sexologin | sexologist |
| -ologie | -ology |