| ISO 639-3 | art-001 |
| lri | |
| ISO 639-3 Reference Names | art-289 | Marachi |
| ISO 639-3 Print Names | art-290 | Marachi |
| ISO 639-3 Print Names | art-290 | Olumarachi |
| ISO 639-3 Inverted Names | art-291 | Marachi |
| ISO 639-3 Inverted Names | art-291 | Olumarachi |
| Ethnologue Primary Language Names | art-323 | Olumarachi |
| Glottolog Languoid Names | art-326 | Marachi |
| Glottocode | art-327 | mara1393 |
| Glottolog Primary Key | art-328 | 30413 |
| Ethnologue Language Names | art-330 | Marachi |
| Ethnologue Language Names | art-330 | Olumarachi |
| English | eng-000 | Marachi |