| Kompetenz | competence |
| kompetent | competent |
| Inkompetenz | incompetence |
| Komplement | complement |
| inkompetent | incompetent |
| Temperenz | temperance |
| Impotenz | impotence |
| Koexistenz | coexistence |
| Korpulenz | corpulence |
| Konferenz | conference |
| Kommagene | Commagene |
| Kommen | coming |
| kommen | come arrive advance return happen take place come on cum come from be due to |
| Kommerz | commerce |
| Komotini | Komotini |
| Kompiler | compiler |
| Komplement- | complementary |
| Komplet | compline |
| Kernkompetenz | core competence |
| Komet | comet |