| ISO 639-3 | art-001 |
| rei | |
| ISO 639-3 Reference Names | art-289 | Reli |
| ISO 639-3 Print Names | art-290 | Reli |
| ISO 639-3 Inverted Names | art-291 | Reli |
| Ethnologue Primary Language Names | art-323 | Reli |
| Glottolog Languoid Names | art-326 | Reli |
| Glottocode | art-327 | reli1238 |
| Glottolog Primary Key | art-328 | 37656 |
| Ethnologue Language Names | art-330 | Reli |
| Ethnologue Language Names | art-330 | Relli |
| English | eng-000 | Reli |