| Andrologin | andrologist |
| Andrologie | andrology |
| Androloge | andrologist |
| Hydrologin | hydrologist |
| Antrologie | arthrology |
| Astrologin | astrologer astrologist |
| Andragogik | andragogy |
| Androgen | androgen |
| androgen | androgen |
| Nandrolon | nandrolone |
| androgyn | androgynous |
| Dendrologie | dendrology |
| Hydrologie | hydrology |
| Aerologie | aerology |
| Oneirologin | oneirologist |
| Papyrologin | papyrologist |
| Urologin | urologist |
| Acarologie | acarology |
| Astrologie | astrology |
| Neurologin | neurologist |