| kollinear | collinear |
| Kollar | collar |
| Kölner | Cologne inhabitant of Cologne native of Cologne |
| Collier | necklace |
| Zöllner | tax collector customs officer |
| bilinear | bilinear |
| Holzlineal | wooden ruler |
| linear | linear |
| Kleiner | sonny |
| kleiner | lesser |
| Kollektor | collector |
| Kolonel | minion |
| kollegial | collegial |
| kollern | gobble |
| kolloidal | colloidal |
| kolonial | colonial |
| Kollagen | collagen |
| Kolleg | college |
| Kollege | colleague workmate co-worker |
| Kollision | collision |