| English | eng-000 |
| Neku | |
| ISO 639-3 | art-001 | nek |
| ISO 639-PanLex | art-274 | nek-000 |
| ISO 639-3 Inverted Names | art-291 | Neku |
| Glottolog Languoid Names | art-326 | Neku |
| Glottocode | art-327 | neku1237 |
| Glottolog Primary Key | art-328 | 41201 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 2498 |
| français | fra-000 | neku |
| español | spa-000 | neku |