| ISO 639-3 | art-001 |
| kfn | |
| ISO 639-3 Reference Names | art-289 | Kuk |
| ISO 639-3 Print Names | art-290 | Kuk |
| ISO 639-3 Inverted Names | art-291 | Kuk |
| Ethnologue Primary Language Names | art-323 | Kuk |
| Glottolog Languoid Names | art-326 | Kuk |
| Glottocode | art-327 | kukk1239 |
| Glottolog Primary Key | art-328 | 31319 |
| Ethnologue Language Names | art-330 | Kuk |
| English | eng-000 | Kuk |