| Theodosia | Feodosiya |
| theodosianisch | Theodosian |
| Theodolit | theodolite |
| Theogonie | theogony |
| Theresia | Teresa |
| Theodor | Theodore |
| Theologie | theology |
| Theologin | theologian |
| Theosophie | theosophy |
| Thermostat | thermostat |
| Theia | Theia |
| Theodizee | theodicy |
| Theologe | theologian |
| Theorie | theory |
| Theresa | Teresa |
| Rheologie | rheology |
| Feodossija | Feodosia |
| Geodäsie | geodesy geodetics |
| Rhodonit | rhodonite |
| Rhodos | Rhodes |