| Kontrollturm | control tower |
| Kontrolleur | ticket inspector |
| Kontrolleurin | ticket inspector |
| Kontrollraum | control room |
| Kontroller | controller |
| kontrolliert | controlled certified checked |
| Kontrollbox | checkbox |
| Kontrollen | control |
| Kontrollpunkt | checkpoint |
| Kontraktur | contracture |
| Kontrolle | inspection control |
| kontrollieren | check inspect |
| Controller | controller |
| Kontraalt | contralto |
| Kontrollgruppe | control |
| Kontrollliste | checklist |
| Kontrollstelle | checkpoint |
| kontrollierbar | controllable |
| Konkretum | concrete noun |
| Kontrafaktur | contrafact |