| Önologie | oenology enology |
| Pönologie | penology |
| Önologin | oenologist |
| Önologe | enologist |
| Oologie | oology |
| Onkologie | oncology |
| Ontologie | ontology |
| Otologie | otology |
| Ökologie | ecology |
| Phonologie | phonology |
| Kynologie | cynology |
| Runologie | runology |
| Senologie | senology |
| Sinologie | sinology |
| -ologie | -ology |
| Aerologie | aerology |
| Horologie | horology |
| Indologie | Indology |
| Onkologin | oncologist |
| Ontologe | ontologist |