| Ornithologie | ornithology |
| Ornithologe | ornithologist |
| Ornithologin | ornithologist |
| Ornithochorie | ornithochory |
| ornithologisch | ornithological ornithologic |
| Anthologie | anthology |
| Ontologie | ontology |
| Ornithose | ornithosis |
| Paläornithologie | paleornithology |
| Orthodoxie | Orthodoxy |
| Ethologie | ethology behavioural research |
| Mythologie | mythology |
| Pathologie | patology pathology |
| Nephologie | nephology |
| Morphologie | morphology |
| Agnotologie | agnotology |
| Antrologie | arthrology |
| Aretologie | aretology |
| Erotologie | erotology |
| Oneirologie | oneirology |