| Ktesiphon | Ctesiphon |
| Siphon | trap siphon syphon soda siphon |
| Telephon | telephone |
| Teschen | Cieszyn |
| Kolophon | colophon |
| Megaphon | bullhorn megaphone |
| italophon | Italian |
| kakophon | cacophonous |
| Sousaphon | sousaphone |
| Tessin | Ticino |
| Testen | testing |
| testen | test trial |
| Testerin | tester |
| Testpilot | test pilot |
| testieren | make a will |
| Gesichts | facial |
| Hesiod | Hesiod |
| Jesidin | Yazidi |
| Riesin | giant |
| besichern | collateralize |