| Kollaps | collapse fainting syncope |
| Kollar | collar |
| Klaps | clap |
| Kolchis | Colchis |
| Kolloid | colloid |
| kollern | gobble |
| Kola | Kola Peninsula |
| Kolchos | kolkhoz |
| Kolja | Nick |
| Kollagen | collagen |
| Kolleg | college |
| Kollege | colleague workmate co-worker |
| Kollo | packing unit |
| Koloss | colossus |
| Collage | mosaic collage |
| Molla | mullah |
| Pollack | pollock |
| Tollhaus | bedlam |
| Zollhaus | custom house |
| Dollar | dollar |