| Kühlkombination | fridge-freezer |
| Kombination | combination |
| Tastenkombination | keyboard shortcut |
| Elimination | elimination |
| Kontamination | amalgam blending |
| Koordination | coordination |
| Rumination | rumination |
| Autokollimation | autocollimation |
| Kohabitation | cohabitation |
| Kolonisation | colonisation |
| Vulkanisation | vulcanization vulcanisation |
| Fehlkalkulation | miscalculation |
| Klimakompensation | carbon offset |
| Akkommodation | accommodation |
| EU-Kommission | European Commission |
| Kommutation | substitution test |
| Komparation | comparison |
| Kompensation | compensation |
| Komplikation | complication |
| Überkompensation | overcompensation |