| Tretkurbelarm | crankarm |
| Tretroller | kick scooter |
| Returnboard | return board |
| Returner | returner |
| retikulär | reticular |
| Hebelarm | lever arm |
| bettelarm | destitute |
| Jetstream | jet stream |
| Tresorraum | vault |
| streckbar | extendable |
| Treber | draft marc pomace |
| Trecker | tractor |
| Treiber | drover beater driver |
| Treteimer | pedal bin |
| Tretlager | bottom bracket |
| Tretmühle | treadmill |
| trennbar | separable |
| Retabel | reredos |
| Retarder | retarder |
| Retoure | return |