| kommissarisch | acting |
| Kommissariat | commissariat |
| Kommissarin | commissioner commissar |
| Kommissar | superintendent commissioner |
| Kommissiv | commissive |
| kommissiv | commissive |
| Kommission | commission committee |
| Komorisch | Comorian |
| komorisch | Comorian |
| kombinatorisch | combinatorial |
| kommunistisch | communist communistic |
| numismatisch | numismatic |
| reißerisch | lurid |
| konsularisch | consular |
| Krimtatarisch | Crimean Tatar |
| kosovarisch | Kosovan |
| kulinarisch | culinary |
| solidarisch | in solidarity |
| Kimmerisch | Cimmerian |
| kimmerisch | Cimmerian |