| Tetrarchie | tetrarchy |
| Tetrarch | tetrarch |
| Tetralogie | tetralogy |
| Hierarchie | hierarchy |
| Eparchie | diocese |
| Heptarchie | heptarchy |
| Pentarchie | Pentarchy |
| Tetrabromid | tetrabromide |
| Tetraplegie | quadriplegia |
| Tetradymit | tetradymite |
| Betrachter | observer |
| betrachten | observe look at gaze at regard consider |
| Tranche | tranche |
| Trachee | trachea spiracle |
| Verarsche | shenanigans |
| Diarchie | diarchy |
| Kyriarchie | kyriarchy |
| Anarchie | anarchy |
| Demarche | démarche |
| Matriarchin | matriarch |