| Transfektion | transfection |
| Transaktion | transaction |
| Transferrin | transferrin |
| Transfusion | transfusion |
| Transition | transition |
| Translation | translation |
| Translokation | translocation |
| Transklusion | transclusion |
| Traktion | traction |
| Transformation | transformation |
| Transgression | transgression |
| Transkription | transcription |
| Transmission | transmission |
| Transposition | transposition |
| Transvestit | transvestite |
| Transvestitin | transvestite |
| Infektion | infection |
| Konfektion | make manufacture ready-to-wear off-the-peg clothing off-the-rack clothing clothing industry |
| Reinfektion | reinfection |
| Inspektion | inspection |