| Katarer | Qatari |
| Katarerin | Qatari |
| Katarr | catarrh |
| Katharer | Cathar |
| Katar | Qatar |
| Katarrh | catarrh |
| Kataster | land register cadastre |
| Kater | tomcat cat tom hangover |
| Kabaret | cabaret |
| Kanaren | Canary Islands |
| Karer | Carian |
| Katanga | Katanga |
| Katharerin | Cathar |
| Katzerl | kitten |
| Kata | kata |
| Katalexe | catalexis |
| Katalog | catalog catalogue |
| Katana | katana |
| Katarakt | cataract |
| Kate | cabin |
| Käte | Cate Kate |