| Ideologe | ideologist |
| Ideologem | idea |
| Ideologie | ideology |
| Ideologin | ideologue |
| Geologe | geologist |
| Theologe | theologian |
| Videoblog | vlog |
| Areologie | areology |
| Geologie | geology |
| Osteologe | osteologist |
| Rheologie | rheology |
| Theologie | theology |
| -ologe | -ologist |
| Bryologe | bryologist |
| Histologe | histologist |
| Indologie | Indology |
| Ontologe | ontologist |
| Podologe | podiatrist |
| Radiologe | radiologist |
| Sexologe | sexologist |