| Selenologin | selenologist |
| Selenologie | selenology |
| Selenologe | selenologist |
| Speleologie | speleology |
| Teleologie | teleology |
| Phrenologin | phrenologist |
| Senologie | senology |
| Ethnologin | ethnologist |
| Molinologin | molinologist |
| Sinologin | sinologist |
| Technologin | technologist |
| Scientologin | Scientologist |
| Seismologin | seismologist |
| Sexologin | sexologist |
| Speläologin | speleologist |
| Phrenologie | phrenology |
| Feminologie | feminology |
| Immunologin | immunologist |
| Japanologin | Japanologist |
| Limnologin | limnologist |