| slovenčina | slk-000 |
| alkén | |
| bosanski | bos-000 | alken |
| bălgarski ezik | bul-001 | alken |
| català | cat-000 | alquè |
| čeština | ces-000 | alken |
| Deutsch | deu-000 | Alken |
| English | eng-000 | alkene |
| English | eng-000 | olefin |
| suomi | fin-000 | alkeeni |
| français | fra-000 | alcène |
| hrvatski | hrv-000 | alken |
| italiano | ita-000 | alcheno |
| lietuvių | lit-000 | alkenas |
| Makedonski jazik | mkd-001 | alken |
| polski | pol-000 | alken |
| português | por-000 | alceno |
| russkij | rus-001 | alken |
| slovenščina | slv-000 | alken |
| español | spa-000 | alqueno |
| srpski | srp-001 | alken |
| svenska | swe-000 | alken |
| Latynytsia | ukr-001 | alken |