| Konvenienzehe | marriage of convenience |
| konvenient | convenient |
| konvenieren | be suitable |
| Konventionen | decorum |
| Konvergenz | convergence |
| konventionell | conventional |
| Kondeszendenz | condescension |
| Konvaleszenz | convalescence |
| Konventikel | conventicle |
| Konvexlinse | convex lens |
| konzenterieren | center |
| Konferenz | conference |
| Konsequenz | consequence |
| Konservendose | can tin |
| Kontingenz | contingency attunement |
| Konvention | convention |
| Konventsmesse | convent mass |
| kondensieren | condense precipitate |
| konferieren | confer |
| konvergent | convergent |