| konjunktional | conjunctional |
| Konjunktion | conjunction |
| Konduktion | conduction |
| konjunktiv | conjunctive |
| Konjunktiv | subjunctive conjunctive mood conjunctive conjunctive mode |
| Konditional | conditional conditional mood |
| Konjugation | conjugation |
| Funktional | functional |
| funktional | functional |
| dysfunktional | dysfunctional |
| Konsumtion | consumption |
| Konventionen | decorum |
| Konfektion | make manufacture ready-to-wear off-the-peg clothing off-the-rack clothing clothing industry |
| Konjunktivitis | conjunctivitis |
| Konjunktur | economic situation boom |
| Konsumption | merger consumption |
| Kontraktion | contraction |
| Konvention | convention |
| konventionell | conventional |
| Disjunktion | disjunction exclusive disjunction |