| Kontrollzentrum | control center control centre |
| Kontrollen | control |
| Kontrolleur | ticket inspector |
| Kontrolleurin | ticket inspector |
| Kontrollraum | control room |
| Kontroller | controller |
| Kontrollturm | control tower |
| kontrollieren | check inspect |
| kontrolliert | controlled certified checked |
| Kontrollliste | checklist |
| Kontrollpunkt | checkpoint |
| kontrollierbar | controllable |
| Kontrazeptivum | contraceptive |
| Kontrolle | inspection control |
| Kontrollleuchte | indicator lamp pilot lamp |
| Controller | controller |
| Katholikentum | catholicity |
| Kontrazeption | contraception |
| Kontrollbox | checkbox |
| Kontrollelement | control |