| Tetraplegie | quadriplegia |
| Tetralogie | tetralogy |
| Paraplegie | paraplegia |
| Tetrarchie | tetrarchy |
| Petrologie | petrology |
| Metrologie | metrology |
| Strategie | strategy |
| Neuralgie | neuralgia |
| Uteralgie | uteralgia |
| Tetrabromid | tetrabromide |
| Tetradymit | tetradymite |
| Tetraeder | tetrahedron |
| Tetragon | tetragon |
| Tetrameter | tetrameter |
| Petrochemie | petrochemistry |
| Astralleib | astral body |
| Astraphobie | keraunophobia |
| Satrapie | satrapy |
| Tralee | Tralee |
| Stratege | strategist |