| Kondor | condor |
| Kontor | office |
| Kondom | condom rubber |
| Konditor | confectioner |
| Kongo | Congo Kongo |
| Konter | counter-attack |
| Konto | account |
| Kontur | contour outline |
| Konvoi | convoy |
| konform | compliant conformable |
| Komondor | Komondor |
| London | London |
| Rondo | rondo |
| Kendo | kendo |
| Konche | conche apse |
| Kondylom | genital wart |
| Konoid | conoid |
| Könige | Kings |
| Können | competence ability |
| können | can be able to may be allowed to know |