| Tretroller | kick scooter |
| Trittroller | scooter |
| Retroflex | retroflex |
| retroflex | retroflex |
| Controller | controller |
| Kontroller | controller |
| Treidler | burlak |
| Treteimer | pedal bin |
| Tretlager | bottom bracket |
| Tretmühle | treadmill |
| Tetraeder | tetrahedron |
| Bettrolle | bedroll |
| Kontrollen | control |
| Kontrolleur | ticket inspector |
| Trollen | trolling |
| trollen | troll |
| entrollen | unfurl |
| Blattroller | leaf-rolling weevil |
| Kontrolle | inspection control |
| Trödler | broker dawdler junk dealer slowpoke |