| Trajektorie | trajectory |
| Traktrix | tractrix |
| Traktor | tractor |
| Traktorist | tractor driver |
| Trattoria | trattoria |
| Travestie | travesty |
| Projektor | projector |
| Kraniektomie | craniotomy |
| Iridektomie | iridectomy |
| Rektorin | headmistress |
| Vasektomie | vasectomy |
| Prähistorie | prehistory |
| Tragetüte | carrier bag |
| Tragikomödie | tragicomedy |
| Transphobie | transphobia |
| Trapezoid | trapezium |
| Trauertaube | mourning dove |
| Traverse | crosspiece |
| Trägerin | host carrier |
| Tragödie | tragedy |