| Nederlands | nld-000 |
| vrijwillig | |
| беларуская | bel-000 | дабраахвотны |
| беларуская | bel-000 | самахвотны |
| bălgarski ezik | bul-001 | dobrovolen |
| català | cat-000 | per voluntat pròpia |
| català | cat-000 | voluntari |
| català | cat-000 | voluntàriament |
| čeština | ces-000 | dobrovolnost |
| čeština | ces-000 | dobrovolný |
| čeština | ces-000 | dobrovolně |
| 普通话 | cmn-000 | 自动 |
| 國語 | cmn-001 | 自動 |
| dansk | dan-000 | frivillig |
| dansk | dan-000 | voluntarius |
| Deutsch | deu-000 | ehrenamtlich |
| Deutsch | deu-000 | freiwillig |
| Deutsch | deu-000 | willig |
| Deutsch | deu-000 | willkürlich |
| ελληνικά | ell-000 | αυθόρμητος |
| ελληνικά | ell-000 | εθελοντικά |
| ελληνικά | ell-000 | εθελοντικός |
| ελληνικά | ell-000 | εθελούσιος |
| ελληνικά | ell-000 | εκούσιος |
| ελληνικά | ell-000 | προαιρετικός |
| Ellinika | ell-003 | ethelontikós |
| Ellinika | ell-003 | proairetikós |
| English | eng-000 | free |
| English | eng-000 | freewill |
| English | eng-000 | honorary |
| English | eng-000 | optionally |
| English | eng-000 | spontaneously |
| English | eng-000 | unforcedly |
| English | eng-000 | unsolicited |
| English | eng-000 | voluntarily |
| English | eng-000 | voluntary |
| English | eng-000 | volunteer |
| English | eng-000 | willing |
| Esperanto | epo-000 | libervola |
| Esperanto | epo-000 | libervole |
| Esperanto | epo-000 | memvola |
| Esperanto | epo-000 | memvole |
| Esperanto | epo-000 | nedeviga |
| Esperanto | epo-000 | nedevigite |
| Esperanto | epo-000 | propravola |
| Esperanto | epo-000 | propravole |
| Esperanto | epo-000 | volonta |
| Esperanto | epo-000 | volonte |
| Esperanto | epo-000 | volontule |
| suomi | fin-000 | halukas |
| suomi | fin-000 | omaehtoinen |
| 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 | libre |
| français | fra-000 | spontané |
| français | fra-000 | volontaire |
| français | fra-000 | volontairement |
| Gàidhlig | gla-000 | saor-thoileach |
| galego | glg-000 | voluntariamente |
| עברית | heb-000 | חפשי |
| עברית | heb-000 | מרצון |
| hrvatski | hrv-000 | dobrovoljan |
| hrvatski | hrv-000 | po vlastitoj želji |
| magyar | hun-000 | akaratlagosan |
| magyar | hun-000 | önként |
| magyar | hun-000 | önkéntes |
| արևելահայերեն | hye-000 | կամավոր |
| Ido | ido-000 | bonvoloza |
| Ido | ido-000 | voluntanta |
| íslenska | isl-000 | sjálfviljugur |
| italiano | ita-000 | spontaneo |
| italiano | ita-000 | volontariamente |
| italiano | ita-000 | volontario |
| 日本語 | jpn-000 | 志願して |
| ქართული | kat-000 | ნებაყოფლობითი |
| 한국어 | kor-000 | 임의로 |
| 한국어 | kor-000 | 자발적으로 |
| 한국어 | kor-000 | 자유의사로 |
| latine | lat-000 | automatus |
| latine | lat-000 | voluntarius |
| Limburgs | lim-000 | vriewillig |
| latviešu | lvs-000 | labprātīgs |
| Nederlands | nld-000 | gewillig |
| Nederlands | nld-000 | uit eigen wil |
| Nederlands | nld-000 | uit vrije wil |
| Nederlands | nld-000 | voluntarius |
| bokmål | nob-000 | frivillig |
| bokmål | nob-000 | godvillig |
| Papiamentu | pap-000 | boluntariamente |
| polski | pol-000 | dobrowolnie |
| polski | pol-000 | dobrowolny |
| polski | pol-000 | ochotniczo |
| polski | pol-000 | ochotniczy |
| português | por-000 | espontaneamente |
| português | por-000 | espontâneo |
| português | por-000 | livremente |
| português | por-000 | voluntariamente |
| português | por-000 | voluntàriamente |
| português | por-000 | voluntário |
| română | ron-000 | voluntar |
| русский | rus-000 | доброво́льно |
| русский | rus-000 | доброво́льный |
| русский | rus-000 | добровольно |
| русский | rus-000 | добровольный |
| русский | rus-000 | добром |
| русский | rus-000 | произвольно |
| russkij | rus-001 | dobrowol'no |
| russkij | rus-001 | dobrowol'nyj |
| slovenčina | slk-000 | dobrovoľne |
| slovenčina | slk-000 | dobrovoľný |
| slovenščina | slv-000 | prostovoljen |
| español | spa-000 | a voluntad |
| español | spa-000 | al albedrío |
| español | spa-000 | voluntariamente |
| español | spa-000 | voluntario |
| svenska | swe-000 | frivillig |
| svenska | swe-000 | frivilligt |
| svenska | swe-000 | godvillig |
| svenska | swe-000 | ideell |
| తెలుగు | tel-000 | స్వచ్ఛంద |
| Türkçe | tur-000 | gönüllü |
| Türkçe | tur-000 | kendi isteğiyle |
| українська | ukr-000 | доброві́льно |
| українська | ukr-000 | добровільно |
| українська | ukr-000 | довільно |