| ISO 639-3 | art-001 |
| twn | |
| ISO 639-3 Reference Names | art-289 | Twendi |
| ISO 639-3 Print Names | art-290 | Twendi |
| ISO 639-3 Inverted Names | art-291 | Twendi |
| Ethnologue Primary Language Names | art-323 | Twendi |
| Glottolog Languoid Names | art-326 | Twendi |
| Glottocode | art-327 | twen1242 |
| Glottolog Primary Key | art-328 | 29413 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 36 |
| Ethnologue Language Names | art-330 | Twendi |
| English | eng-000 | Cambap |
| English | eng-000 | Twendi |
| français | fra-000 | cambap |
| español | spa-000 | cambap |