| konsanguin | consanguineous |
| Konstantin | Constantine |
| Konkani | Konkani |
| Konsensus | consensus |
| Konsumgut | final good |
| Königin | queen |
| Königspinguin | king penguin |
| Tonsandhi | tone sandhi |
| Vorsängerin | cantor |
| Konstanze | Constance |
| Konsumtion | consumption |
| Kontingent | contingent |
| kontingent | contingent |
| Können | competence ability |
| können | can be able to may be allowed to know |
| konjunktiv | conjunctive |
| Konjunktiv | subjunctive conjunctive mood conjunctive conjunctive mode |
| könnten | might |
| Konditorin | pastry chef |
| Kongolesin | Congolese |