| Theosophie | theosophy |
| Theogonie | theogony |
| theosophisch | theosophic |
| Theologie | theology |
| thermophil | thermophile thermophilic |
| Philosophie | philosophy |
| Theodosia | Feodosiya |
| Theodolit | theodolite |
| Theokratie | theocracy |
| Theologe | theologian |
| Theologin | theologian |
| Theophanie | theophany |
| Theorie | theory |
| Therapie | therapy |
| Rheologie | rheology |
| Philosophin | philosopher |
| -sophie | -sophy |
| homophil | homophile |
| chionophil | chionophilous |
| Phosphid | phosphide |