| беларуская | bel-000 |
| кельцкі | |
| български | bul-000 | келтски |
| čeština | ces-000 | keltský |
| Deutsch | deu-000 | keltisch |
| ελληνικά | ell-000 | κελτικός |
| English | eng-000 | Celtic |
| English | eng-000 | Keltic |
| English | eng-000 | celtic |
| Esperanto | epo-000 | kelta |
| suomi | fin-000 | kelttiläinen |
| français | fra-000 | celte |
| français | fra-000 | celtique |
| magyar | hun-000 | kelta |
| interlingua | ina-000 | celtic |
| italiano | ita-000 | celtico |
| latine | lat-000 | Celtus |
| Nederlands | nld-000 | Keltisch |
| polski | pol-000 | celtycki |
| português | por-000 | céltico |
| русский | rus-000 | кельтский |
| slovenčina | slk-000 | keltský |
| español | spa-000 | céltico |
| ייִדיש | ydd-000 | קעלטיש |