| Community | community |
| Commit | commit |
| Kommunion | Communion |
| Kommunist | communist |
| Kommuniqué | communiqué |
| Kommune | commune Commune |
| Kommunistin | communist |
| kommun | common |
| kommunal | municipal communal local urban |
| Immunität | immunity |
| Nummulit | nummulite |
| Chemnitz | Chemnitz |
| Colemanit | colemanite |
| Ammonit | ammonite |
| common law | common law |
| Comanche | Comanche |
| Comedian | comedian |
| Comic | comic cartoon |
| Computer | computer |
| Kommandör | commander |