| kolloidal | colloidal |
| Kolloid | colloid |
| kollegial | collegial |
| kolonial | colonial |
| kolossal | colossal huge |
| Koloman | Colman |
| Kolonel | minion |
| kollinear | collinear |
| Kollar | collar |
| Kollo | packing unit |
| Kollodium | collodion |
| kollateral | collateral |
| Wollschal | wool scarf |
| illoyal | disloyal |
| Keloid | keloid |
| Konoid | conoid |
| Kolchis | Colchis |
| Kollaterale | collateral |
| Kollektor | collector |
| Kolluvium | colluvium |