| English | eng-000 |
| question marker | |
| Old Avestan | ave-001 | kat |
| Itaŋikom | bkm-000 | ma |
| Chamoru | cha-000 | kao |
| ᐄᓅᐊᔨᒧᐧᐃᓐ | crj-000 | ᐋ |
| Iynu-Ayamûn | crj-001 | aa |
| Nadleh Whutʼen | crx-002 | ih |
| Tłįchǫ | dgr-000 | nì |
| South Central Dinka | dib-000 | dze |
| English | eng-000 | query |
| Iñupiat | esi-000 | su - |
| Ifugao | ifk-000 | an |
| Ifugao | ifk-000 | kon |
| Kewa | kew-000 | aa- |
| Yulparidja | mpj-001 | -kaji |
| Mantjiltjara | mpj-002 | kaji |
| Martu Wangka | mpj-003 | kaji |
| Putijarra | mpj-005 | -wa |
| Muyuw | myw-000 | ke |
| Muyuw | myw-000 | ne |
| Iyuw Iyimuun | nsk-001 | aa |
| Soninkanxaane | snk-000 | keti |
| Kiswahili | swh-000 | je |
| Warnman | wbt-000 | kaji |