| polski | pol-000 |
| dobrowolnie | |
| беларуская | bel-000 | добраахвотна |
| беларуская | bel-000 | самахоць |
| беларуская | bel-000 | самохаць |
| bălgarski ezik | bul-001 | dobrovolen |
| català | cat-000 | voluntàriament |
| čeština | ces-000 | dobrovolně |
| dansk | dan-000 | frivillig |
| Deutsch | deu-000 | freiwillig |
| ελληνικά | ell-000 | εθελοντικά |
| Ellinika | ell-003 | ethelontikós |
| Ellinika | ell-003 | proairetikós |
| English | eng-000 | optionally |
| English | eng-000 | unsolicited |
| English | eng-000 | voluntarily |
| English | eng-000 | voluntary |
| Esperanto | epo-000 | libervola |
| Esperanto | epo-000 | libervole |
| Esperanto | epo-000 | memvole |
| Esperanto | epo-000 | nedeviga |
| Esperanto | epo-000 | propravola |
| Esperanto | epo-000 | propravole |
| Esperanto | epo-000 | spontanee |
| Esperanto | epo-000 | volonte |
| Esperanto | epo-000 | volontule |
| suomi | fin-000 | vapaaehtoinen |
| suomi | fin-000 | vapaaehtoisesti |
| français | fra-000 | bénévole |
| français | fra-000 | bénévolement |
| français | fra-000 | de son plein gré |
| français | fra-000 | facultatif |
| français | fra-000 | spontané |
| français | fra-000 | volontaire |
| français | fra-000 | volontairement |
| hrvatski | hrv-000 | dobrovoljno |
| magyar | hun-000 | önként |
| magyar | hun-000 | önkéntes |
| íslenska | isl-000 | sjálfviljugur |
| italiano | ita-000 | spontaneo |
| italiano | ita-000 | volontariamente |
| italiano | ita-000 | volontario |
| latine | lat-000 | automatus |
| latine | lat-000 | voluntarius |
| Nederlands | nld-000 | vrijwillig |
| bokmål | nob-000 | frivillig |
| bokmål | nob-000 | godvillig |
| polski | pol-000 | dobrowolny |
| polski | pol-000 | ochotniczo |
| polski | pol-000 | ochotniczy |
| português | por-000 | espontaneamente |
| português | por-000 | livremente |
| português | por-000 | voluntariamente |
| português | por-000 | voluntário |
| română | ron-000 | voluntar |
| русский | rus-000 | доброво́льно |
| русский | rus-000 | добровольно |
| russkij | rus-001 | dobrowol'no |
| russkij | rus-001 | dobrowol'nyj |
| slovenčina | slk-000 | dobrovoľný |
| español | spa-000 | a voluntad |
| español | spa-000 | voluntariamente |
| español | spa-000 | voluntario |
| svenska | swe-000 | frivillig |
| Türkçe | tur-000 | gönüllü |
| українська | ukr-000 | доброві́льно |
| українська | ukr-000 | добровільно |