| konservativ | conservative tory |
| Konservativer | conservative |
| Konservativismus | conservatism |
| Konvervative | conservative |
| Konservator | conservator |
| erzkonservativ | ultraconservative |
| konsekutiv | consecutive |
| konspirativ | conspirative |
| konstruktiv | design constructive |
| Präservativ | condom |
| kooperativ | cooperative |
| Konsekration | dedication |
| Konservatismus | conservatism |
| Konservatorium | conservatoire |
| Konvertit | convert |
| konserviert | canned |
| Konserve | preserve |
| Konversation | conversation |
| konativ | conative |
| konstitutiv | founding |