| Trapezoid | trapezium |
| Trapezunt | Trabzon |
| Trapez | trapezoid trapezium trapeze |
| Trade-off | trade-off |
| Trageband | lanyard |
| Trapezeule | dun-bar |
| Trägerin | host carrier |
| tragend | bearing |
| Trabzon | Trabzon |
| Travertin | travertine |
| Travestie | travesty |
| trapezförmig | trapezoidal |
| Granitoid | granitoid |
| Planetoid | planetoid |
| Präfixoid | semi-prefix |
| haploid | haploid |
| Trabbi | Trabby |
| Trabi | Trabby |
| Trachom | trachoma |
| Trackpoint | pointing stick |