| ISO 639-3 | art-001 |
| nkk | |
| ISO 639-3 Reference Names | art-289 | Nokuku |
| ISO 639-3 Print Names | art-290 | Nokuku |
| ISO 639-3 Inverted Names | art-291 | Nokuku |
| Ethnologue Primary Language Names | art-323 | Nokuku |
| Glottolog Languoid Names | art-326 | Nokuku |
| Glottocode | art-327 | noku1237 |
| Glottolog Primary Key | art-328 | 41399 |
| Ethnologue Language Names | art-330 | Nogugu |
| Ethnologue Language Names | art-330 | Nokuku |
| English | eng-000 | Nokuku |