| Konversation | conversation |
| Kondensation | condensation |
| Konversion | conversion |
| Konsekration | dedication |
| Konurbation | conurbation |
| Konvervative | conservative |
| Konfirmation | confirmation |
| Konformation | conformation |
| Konvention | convention |
| Konvokation | convocation |
| Malversation | embezzlement |
| Kompensation | compensation |
| Kooperation | cooperation co-operation |
| Konkretion | concretion |
| Konspiration | conspiracy |
| Konsultation | consultation |
| Kontorsion | contortion |
| Konvertit | convert |
| Kondensator | capacitor |
| Konfektion | make manufacture ready-to-wear off-the-peg clothing off-the-rack clothing clothing industry |