| Geologe | geologist |
| Geologie | geology |
| Geologin | geologist |
| Ideologe | ideologist |
| Theologe | theologian |
| -ologe | -ologist |
| Sexologe | sexologist |
| Ufologe | ufologist |
| Biologe | biologist |
| Urologe | urologist |
| Zoologe | zoologist |
| Ökologe | ecologist |
| Önologe | enologist |
| Ekloge | eclogue |
| Eloge | eulogy |
| Geodäte | geodesic |
| Georg | George |
| Areologie | areology |
| Ideologem | idea |
| Ideologie | ideology |