| Oologie | oology |
| Noologie | noology |
| Zoologie | zoology |
| -ologie | -ology |
| Otologie | otology |
| Ökologie | ecology |
| Önologie | oenology enology |
| Zoologe | zoologist |
| Zoologin | zoologist |
| -ologe | -ologist |
| Aerologie | aerology |
| Horologie | horology |
| Pönologie | penology |
| Ufologie | ufology |
| Ökologin | ecologist |
| Önologin | oenologist |
| Apologie | apology apologia |
| Biologie | biology |
| Doxologie | doxology |
| Egologie | egology |