| Konjunkturausblick | economic outlook |
| Konjunktur | economic situation boom |
| Konjunkturprognose | economic forecast forecasting |
| Kontaktdruck | contact print |
| konjunktional | conjunctional |
| konjunktiv | conjunctive |
| Konjunktiv | subjunctive conjunctive mood conjunctive conjunctive mode |
| Konjunktion | conjunction |
| Konjunktivitis | conjunctivitis |
| jungfräulich | virginal |
| Kunstausdruck | technical term |
| kontaktfreudig | outgoing |
| Konjektur | conjecture |
| Konzentration | concentration |
| kontinuierlich | continuous |
| kontrastreich | contrasty |
| konzentrisch | concentric concentrical |
| unnatürlich | artificial |
| Kulturschock | culture shock |
| ungebräuchlich | unusual uncommon |