| Konfiskation | confiscation |
| Konfirmation | confirmation |
| Konfektion | make manufacture ready-to-wear off-the-peg clothing off-the-rack clothing clothing industry |
| Konfiguration | configuration |
| Konformation | conformation |
| Konvokation | convocation |
| Konziliation | reconciliation settlement |
| Kodifikation | codification |
| Ionisation | ionization ionisation |
| Kondensation | condensation |
| Konduktion | conduction |
| Konsekration | dedication |
| Konspiration | conspiracy |
| Konsultation | consultation |
| Konsumtion | consumption |
| Konurbation | conurbation |
| Kondition | condition |
| Konfabulation | confabulation |
| Konfession | denomination |
| Konfrontation | confrontation |