| Konziliation | reconciliation settlement |
| Rekonziliation | reconciliation |
| Konsultation | consultation |
| Konfirmation | confirmation |
| Konfiskation | confiscation |
| Oszillation | oscillation |
| Kondensation | condensation |
| Konsekration | dedication |
| Konspiration | conspiracy |
| Konurbation | conurbation |
| Kondition | condition |
| Konfiguration | configuration |
| Konformation | conformation |
| Konjugation | conjugation |
| Konnotation | connotation |
| Konstellation | constellation |
| Kontamination | amalgam blending |
| Konversation | conversation |
| Konvokation | convocation |
| Konzelebration | concelebration |