| Kontamination | amalgam blending |
| Dekontamination | decontamination |
| Konkatenation | concatenation |
| Kontemplation | contemplation |
| Konspiration | conspiracy |
| Konfabulation | confabulation |
| Kontribution | tribute |
| Konziliation | reconciliation settlement |
| kontaminieren | contaminate infect |
| Insemination | insemination |
| Kombination | combination |
| Koordination | coordination |
| Knetanimation | claymation |
| Kanalisation | sewage system |
| Kohabitation | cohabitation |
| Kondensation | condensation |
| Konsekration | dedication |
| Konsultation | consultation |
| Konsumtion | consumption |
| Kontaktdaten | contact details |