| Part of speech | unknown part of speech |
|---|---|
| Hyphenation | ki·u |
| Singular | Plural | |
|---|---|---|
| Nominative | kiu | kiuj |
| Accusative | kiun | kiujn |
| Afrikaans | watter |
|---|---|
| Chinook Jargon | ɬaksta |
| Dutch | welk |
| English | which; what |
| French | quel |
| Italian | chi |
| Norwegian | hvilken |
| Papiamento | kua; kual; ki |
| Scots | whit; whilk; wha |
| Thai | ไหน; อะไร |
| Ukrainian | хто |
| Welsh | pwy; pa |
| West Frisian | hokker |