| Kontrolleur | ticket inspector |
| Kontrolleurin | ticket inspector |
| Kontroller | controller |
| Kontrollen | control |
| Kontrolle | inspection control |
| Kontrollturm | control tower |
| Controller | controller |
| Kontrollbox | checkbox |
| Kontrollraum | control room |
| kontrolliert | controlled certified checked |
| Kontrollpunkt | checkpoint |
| kontrollierbar | controllable |
| Konstrukteur | designer constructer constructor |
| Kontraktur | contracture |
| Kontrollfreak | control freak |
| kontrollieren | check inspect |
| kontrovers | controversial |
| Controlling | management accounting and control |
| entrollen | unfurl |
| Tretroller | kick scooter |