| Kommunikationsdaten | communication |
| Kommunikationsmodell | communication model |
| Kommunikation | communication |
| Kommunikantin | communicant |
| Kommunikant | communicant |
| Kompensationshandel | countertrade |
| Exkommunikation | excommunication |
| Kombinationszange | combination pliers engineers pliers |
| Kompensationsebene | compensation depth |
| kommunikativ | communicative |
| Munitionslager | magazine |
| Konzentrationslager | concentration camp |
| Dekommunisation | decommunization |
| Kommandoposten | command post |
| Kommunistenhetze | red-baiting |
| Kombinationsfeld | combo box |
| Kommunistin | communist |
| Kommunitarismus | communitarianism |
| Kommutation | substitution test |
| Kommutativität | commutativity |