| Kontroller | controller |
| Kontrollen | control |
| Kontrolleur | ticket inspector |
| Kontrolle | inspection control |
| Controller | controller |
| kontrolliert | controlled certified checked |
| Kontrollbox | checkbox |
| Kontrolleurin | ticket inspector |
| Kontrollturm | control tower |
| kontrollieren | check inspect |
| kontrovers | controversial |
| entrollen | unfurl |
| Tretroller | kick scooter |
| Korollar | corollary |
| Korolle | corolla |
| Konterbier | hair of the dog |
| Kontor | office |
| Kontraalt | contralto |
| Kontrollraum | control room |
| kontrieren | double |