| Theologumenon | theologoumenon |
| Theologoumenon | theologoumenon |
| Theologe | theologian |
| Theologie | theology |
| Theologin | theologian |
| theologisch | theological theologic |
| Rheologie | rheology |
| Noumenon | noumenon |
| Theogonie | theogony |
| Theoretikerin | theorist |
| Theosophie | theosophy |
| Thermozeption | thermoception |
| Thermometer | thermometer |
| Areologie | areology |
| Ideologin | ideologue |
| ideologisieren | ideologize |
| Geologe | geologist |
| Geologie | geology |
| Geologin | geologist |
| Ideologe | ideologist |