| Königtum | monarchy |
| Monitum | remark |
| Könige | Kings |
| Konkretum | concrete noun |
| Konsum | consumption |
| Kontinuum | continuum |
| Kontur | contour outline |
| König | king King |
| Königin | queen |
| Honigtau | honeydew |
| Kostüm | suit costume fancy dress |
| Kondylom | genital wart |
| Konfutse | Confucius |
| Koniotomie | cricothyrotomy |
| Kontor | office |
| Konzetti | extended metaphor |
| König Artus | King Arthur |
| Königstreue | royalism |
| Königsweg | royal road |
| Königszaun | Kingston |