| Kavaliersdelikt | peccadillo trivial offence |
| Kavallerist | cavalryman |
| Kavalier | cavalier dance partner |
| Kavallerie | cavalry |
| Kanalinseln | Channel Islands |
| Antragsdelikt | Antragsdelikt |
| Kavalkade | cavalcade |
| Kavalleriepferd | cavalry horse |
| Randaliererin | rioter |
| Kabalist | caballer |
| Kanalisation | sewage system |
| kanalisieren | channelize |
| koalieren | form a coalition |
| nasalieren | nasalise nasalize |
| Karrierist | careerist |
| Kastriererin | castrator |
| Markierstift | highlighter |
| Rasierstift | styptic pencil |
| Exaltiertheit | effusiveness |
| Involviertheit | involvement |