| Part of speech | unknown part of speech |
|---|
| Afrikaans | watter; wat; wie |
|---|---|
| Danish | hvilken; hvilket; der; hvem; som |
| Dutch | die; wie |
| English | who; which |
| English (Old English) | se; se þe |
| Esperanto | kiu |
| French | qui; lequel |
| German | der; das; wer; welcher |
| Greek | όποιος |
| Jamaican Patois | uu; we |
| Low German | dee; den; wat |
| Malay | yang |
| Papiamento | ku |
| Russian | кто |
| Scots | wha; that |
| Spanish | quien; que |
| Sranan | di |
| Thai | ที่; ซึ่ง |
| West Frisian | dy’t; wa’t |