| transregional | transregional |
| transnational | transnational |
| Transfektion | transfection |
| Trägersignal | carrier |
| Tränenkanal | tear duct |
| cotranslational | cotranslational |
| transdermal | percutaneous |
| Transaktion | transaction |
| Transfusion | transfusion |
| Transgression | transgression |
| Transition | transition |
| Translation | translation |
| kotranslational | cotranslational |
| regional | regional |
| Trans-Person | transgender |
| Transceiver | transceiver |
| Transferrin | transferrin |
| Transiente | transient |
| Transklusion | transclusion |
| Transrealismus | transrealism |