| Kontor | office |
| Kontorsion | contortion |
| Kondor | condor |
| Konter | counter-attack |
| Konto | account |
| Kontur | contour outline |
| Kantor | cantor |
| Konautor | coauthor |
| Konditor | confectioner |
| Kondom | condom rubber |
| Kongo | Congo Kongo |
| Kontra | con double |
| kontra | against versus |
| Konvoi | convoy |
| Skonto | discount cash discount early payment discount settlement discount |
| konform | compliant conformable |
| konter- | counter- |
| kontern | counter |
| konträr | contrarian contrary adverse |
| Wonton | wonton |