| Karthager | Carthaginian |
| Karthagerin | Carthaginian |
| Karthago | Carthage |
| Katharer | Cathar |
| Kartäuser | Carthusian |
| Barthaar | whiskers |
| Bartträger | bearded |
| Parther | Parthian |
| Kragträger | cantilever |
| Sargträger | pallbearer |
| Waräger | Varangian |
| Karer | Carian |
| Karo-Bauer | jack of diamonds |
| Karrier | English Carrier |
| Kartular | cartulary |
| Karäer | Karaite |
| Karabiner | carabiner |
| Karate | karate |
| Karawane | caravan |
| Karikatur | caricature burlesque cartoon |