| Kopplung | coupling |
| Kupplung | clutch |
| Doppelung | doubling |
| Einkopplung | coupling |
| Koppler | coupling |
| Kopfsprung | header |
| koppeln | connect couple dock join link dead reckoning |
| koppen | climb belch |
| Topping | topping |
| Pökelung | cure |
| Spülung | hair conditioner flush irrigation |
| Konfluenz | confluence |
| Kühlung | cooling |
| konfluent | confluent |
| Knospung | proliferation |
| Rippung | ribbing |
| Körnung | grain decoy place |
| Kopfband | brace |
| Kopflehne | headrest |
| Kopfnuss | brain-teaser |
| Kopfnuß | brainteaser |