| Ludologie | ludology |
| Indologie | Indology |
| Kurdologie | Kurdology |
| Pedologie | pedology |
| Podologie | chiropody podiatry |
| Pädologie | pedology |
| Audiologie | audiology |
| Auxologie | auxology |
| Ufologie | ufology |
| Runologie | runology |
| Urologie | urology |
| Podologe | podiatrist |
| Podologin | podiatrist |
| -ologie | -ology |
| Aerologie | aerology |
| Areologie | areology |
| Arkologie | arcology |
| Horologie | horology |
| Oologie | oology |
| Pönologie | penology |