| Oneirologin | oneirologist |
| Oneirologie | oneirology |
| Oneirologe | oneirologist |
| Neurologin | neurologist |
| Ponerologie | ponerology |
| Andrologin | andrologist |
| Neurologie | neurology |
| Onkologin | oncologist |
| Ontologin | ontologist |
| Önologin | oenologist |
| Virologie | virology |
| Antrologie | arthrology |
| Futurologin | futurologist |
| Hydrologin | hydrologist |
| Papyrologin | papyrologist |
| Petrologie | petrology |
| Urologin | urologist |
| Andrologie | andrology |
| Astrologin | astrologer astrologist |
| Meteorologin | meteorologist |