| kollaborieren | collaborate |
| kollabieren | collapse |
| kollationieren | collate |
| kolorieren | color colorize colour |
| elaborieren | elaborate |
| Kollaborateurin | collaborator |
| Kollaboration | collaboration |
| kollimieren | collimate |
| kollidieren | collide clash conflict |
| kolportieren | spread hawk |
| collagieren | collage |
| Kalabrierin | Calabrian |
| kalandrieren | mangle |
| kalibrieren | calibrate gauge |
| klarieren | clear |
| komparieren | compare |
| konfabulieren | confabulate |
| Kollaborateur | collaborator |
| kollektivieren | collectivize |
| kolonisieren | colonise |