| Kompensationsebene | compensation depth |
| Kompensationshandel | countertrade |
| Kompensation | compensation |
| Kombinationsfeld | combo box |
| Kombinationszange | combination pliers engineers pliers |
| kompensieren | compensate |
| Kommunikationsdaten | communication |
| Kompensierung | compensation |
| Kompressionsverband | pressure bandage |
| kommentieren | comment annotate |
| kommissionieren | commission pick |
| kompostieren | compost put compost on |
| pensionieren | retire pension off |
| Kondensation | condensation |
| Kondensationsflasche | Leyden jar |
| Sensationsmache | sensationalism |
| Sensationspresse | sensational press |
| dimensionieren | dimension size |
| kollationieren | collate |
| Konventionen | decorum |