| ISO 639-3 | art-001 |
| tsk | |
| ISO 639-3 Reference Names | art-289 | Tseku |
| ISO 639-3 Print Names | art-290 | Tseku |
| ISO 639-3 Inverted Names | art-291 | Tseku |
| Ethnologue Primary Language Names | art-323 | Tseku |
| Glottolog Languoid Names | art-326 | Tseku |
| Glottocode | art-327 | tsek1238 |
| Glottolog Primary Key | art-328 | 27093 |
| Ethnologue Language Names | art-330 | Tseku |
| Ethnologue Language Names | art-330 | Tsuku |
| Ethnologue Language Names | art-330 | Tzuku |
| English | eng-000 | Tseku |