| konzeptuell | conceptual |
| Konzept | draft concept conception |
| kontextuell | contextual |
| Konzetti | extended metaphor |
| Konsul | consul |
| Konzeption | conception |
| Konzern | group combine concern trust |
| Konzert | concert |
| Konzil | council |
| kongenial | congenial |
| konzessiv | concessive |
| Kronzeuge | principal witness |
| Kanzel | pulpit cockpit |
| Kopula | copula |
| Niebüll | Niebüll |
| Sondermüll | special waste |
| pansexuell | pansexual |
| Konfekt | candy |
| Kontobuch | account book |
| Kontraalt | contralto |