| ISO 639-3 Reference Names | art-289 | Chak |
| ISO 639-3 Print Names | art-290 | Chak |
| ISO 639-3 Inverted Names | art-291 | Chak |
| Ethnologue Primary Language Names | art-323 | Chak |
| Glottolog Languoid Names | art-326 | Chak |
| Glottocode | art-327 | chak1270 |
| Glottolog Primary Key | art-328 | 28194 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 554 |
| Ethnologue Language Names | art-330 | Ashah |
| Ethnologue Language Names | art-330 | Chak |
| Ethnologue Language Names | art-330 | Sak |
| Ethnologue Language Names | art-330 | Thet |
| Ethnologue Language Names | art-330 | Tsak |
| English | eng-000 | Chak |
| English | eng-000 | Sak |
| français | fra-000 | sak |
| español | spa-000 | sak |
