| kafkaesk | kafkaesque |
| Kaftan | kaftan |
| Kasack | scrub |
| Kaskade | waterfall cascade |
| Kaukasus | Caucasus Caucasus Mountains |
| Käfter | closet |
| Kaff | hicksville dump chaff |
| Kaffee | coffee cafe |
| Kaffer | kaffir jerk |
| Kafir | kafir |
| Kuhkaff | one-horse town |
| Käfer | beetle |
| Käfig | cage |
| Kasarka | shelduck |
| Kasbek | Kazbek |
| Kaspar | Caspar |
| Kasra | kasra |
| Kassava | cassava |
| Markasit | marcasite |
| kaukasoid | Caucasoid |