| Ökomusikologie | ecomusicology |
| Onomasiologie | onomasiology |
| Ökophysiologie | ecophysiology |
| Komitologie | comitology |
| Ethnomusikologie | ethnomusicology |
| Kodikologie | codicology |
| Onomasiologe | onomastician |
| Onomasiologin | onomastician |
| Toxikologie | toxicology |
| Onomatologie | onomastics |
| Ekklesiologie | ecclesiology |
| Kinesiologie | kinesiology |
| Kosmologie | cosmology |
| Semasiologie | semasiology |
| Autökologie | autecology physiological ecology |
| Tokologie | tocology |
| Ökologie | ecology |
| Musikalie | sheet music |
| Toxikologe | toxicologist |
| Toxikologin | toxicologist |