| Kontrakt | compact contract |
| Kontraktur | contracture |
| Kontraktion | contraction |
| Kontakt | contact |
| Kontrast | contrast |
| Kontraalt | contralto |
| Kontra | con double |
| kontra | against versus |
| kontra- | counter- |
| konträr | contrarian contrary adverse |
| Konfekt | candy |
| Kontranym | contranym |
| Konflikt | conflict clash |
| Konrad | Conrad |
| Konspekt | summary |
| Kontext | context |
| Kontrahent | opponent rival counterparty |
| Kontrapunkt | counterpoint |
| kongruent | congruent |
| konkret | concrete |