| Korrelationsanalyse | correlation analysis |
| Korrelation | correlation association |
| Korrelationskoeffizient | correlation coefficient |
| relational | relational |
| Kalkulationstabelle | spreadsheet |
| Kondensationsflasche | Leyden jar |
| Kombinationszange | combination pliers engineers pliers |
| Operationssaal | operating room theatre operating theater operating theatre surgery theater |
| Rotationsachse | axis of rotation |
| Konfektionsgröße | size |
| Inhaltsanalyse | content analysis |
| Kapitalismusanalyse | capitalism analysis |
| Fourier-Analyse | Fourier analysis |
| Komponentenanalyse | componential analysis |
| Koreastraße | Korea Strait |
| Borreliose | borreliosis |
| relative Adresse | relative address |
| Installationskanal | conduit |
| Populationsökologie | population ecology |
| kotranslational | cotranslational |