| Kai | quay wharf |
| Kaik | caique |
| Kain | Cain |
| Kairo | Cairo |
| Kaiman | caiman cayman |
| Kairoer | Cairene |
| Kaiser | emperor |
| Kaizen | kaizen |
| Kailoff | pooch |
| Skai | leatherette |
| Kainsmal | mark of Cain |
| Kaiserin | empress |
| Lakai | footman lackey |
| Kaikdschi | caïquejee |
| Kokkai | diet |
| Kaiserdom | cathedral |
| Kaisertum | empire |
| Kokain | cocaine coke snow |
| Kaisergans | emperor goose |
| Kaiserling | Caesar's mushroom |