| Theologoumenon | theologoumenon |
| Theologumenon | theologoumenon |
| Theologe | theologian |
| Theologie | theology |
| Theologin | theologian |
| Theogonie | theogony |
| theologisch | theological theologic |
| Rheologie | rheology |
| ideologisieren | ideologize |
| Holokauston | holocaust |
| Holodomor | Holodomor |
| Noumenon | noumenon |
| Hapaxlegomenon | hapax legomenon |
| Paralipomenon | paralipomenon |
| Perispomenon | perispomenon |
| Theoretikerin | theorist |
| Theosophie | theosophy |
| Thermozeption | thermoception |
| Thermometer | thermometer |
| Thesenroman | thesis novel |