| Kassiber | note message secret |
| Kassier | cashier |
| Kasside | qasida |
| Kassierer | cashier |
| Kassler | Kassler |
| Klassiker | classic |
| Kaliber | calibre caliber |
| Kasbek | Kazbek |
| Kaser | cheesemaker |
| Käser | cheesemaker |
| Kasseri | kasseri |
| Kassiterit | cassiterite |
| Kasimir | Casimir |
| Kasse | cash till |
| kassieren | collect confiscate |
| Hasser | hater |
| Masseter | masseter |
| Passgeber | passer |
| fassbar | comprehensible |
| Asser | Asher |