| Kontrabass | double bass double-bass |
| Kontraalt | contralto |
| Kontratanz | contra |
| Kontrast | contrast |
| Kontrakt | compact contract |
| Kontranym | contranym |
| Kontrebande | contraband |
| Kongress | congress convention |
| Kontra | con double |
| kontra | against versus |
| Kontrahent | opponent rival counterparty |
| Kontraktur | contracture |
| kontagiös | contagious |
| kontra- | counter- |
| kontrovers | controversial |
| konträr | contrarian contrary adverse |
| Generalbass | basso continuo |
| Lorbass | blackguard |
| Konterbier | hair of the dog |
| Kontobuch | account book |