| Tetrafluormethan | carbon tetrafluoride |
| Tetrachlormethan | carbon tetrachloride |
| Tetrabrommethan | carbon tetrabromide |
| Tetraiodmethan | carbon tetraiodide |
| terraformen | terraform |
| Tetragrammaton | Tetragrammaton |
| Tetrahydrofuran | tetrahydrofuran |
| Tetralogie | tetralogy |
| Tetrameter | tetrameter |
| Transformation | transformation |
| Terraforming | terraforming planetary engineering |
| Tetrabromid | tetrabromide |
| Tetrafluorkohlenstoff | carbon tetrafluoride |
| Tetraplegie | quadriplegia |
| tetraedrisch | tetrahedral |
| Tetradymit | tetradymite |
| Tetragon | tetragon |
| Tetrarch | tetrarch |
| Tetrarchie | tetrarchy |
| tetragonal | tetragonal |