| Kondensat | condensate |
| Kondensator | capacitor |
| Kondensation | condensation |
| Konvent | convent |
| Konsens | consensus consent |
| Konsensus | consensus |
| Konzentrat | concentrate |
| kongenial | congenial |
| Bodensatz | sediment precipitate dreg lees |
| Kondiment | condiment |
| Konfekt | candy |
| Konvertit | convert |
| Konvexität | convexity |
| Können | competence ability |
| können | can be able to may be allowed to know |
| ikonenhaft | iconic |
| Konizität | conicity |
| Konkordat | concordat |
| Konsonant | consonant |
| Konsulat | consulate |