| occitan | oci-000 |
| biennau | |
| български | bul-000 | двугодишен |
| català | cat-000 | biennal |
| Deutsch | deu-000 | zweijährig |
| Deutsch | deu-000 | zweijährlich |
| English | eng-000 | biannual |
| English | eng-000 | biennial |
| Esperanto | epo-000 | dujara |
| français | fra-000 | biennal |
| italiano | ita-000 | biennale |
| Nederlands | nld-000 | tweejarig |
| occitan | oci-000 | biennal |
| română | ron-000 | bienal |
| slovenčina | slk-000 | dvojročný |
| español | spa-000 | bienal |