| Koloquintenkürbis | colocynth |
| Koloquinte | colocynth |
| Flaschenkürbis | calabash |
| Schlangenkürbis | snake gourd |
| Kollisionskurs | collision course |
| Quintenzirkel | circle of fifths |
| Quintinus | Quentin Quinten Quinton |
| Plintenburg | Visegrád |
| Bekanntenkreis | circle of acquaintances circle of friends |
| Konsumentenkredit | consumer credit |
| Breitenkreis | latitude |
| Längenkreis | line |
| Lungenkrebs | lung cancer |
| Salinenkrebs | brine shrimp |
| Halloween-Kürbis | jack-o'-lantern |
| Hokkaidokürbis | red kuri squash |
| Zierkürbis | decorative gourd |
| Molukkenibis | Australian white ibis |
| Kollaborateurin | collaborator |
| Kolonistin | colonist |