| Cymraeg | cym-000 |
| effeithiolrwydd | |
| العربية | arb-000 | فعالية |
| asturianu | ast-000 | efectividá |
| asturianu | ast-000 | efeutividá |
| বাংলা | ben-000 | কার্যকারিতা |
| български | bul-000 | валидност |
| български | bul-000 | ефикасност |
| català | cat-000 | efectivitat |
| čeština | ces-000 | efektivita |
| čeština | ces-000 | právoplatnost |
| čeština | ces-000 | působivost |
| čeština | ces-000 | závaznost |
| čeština | ces-000 | účinnost |
| 普通话 | cmn-000 | 效力 |
| 普通话 | cmn-000 | 高效能 |
| 國語 | cmn-001 | 效力 |
| 國語 | cmn-001 | 高效能 |
| Hànyǔ | cmn-003 | gāo xiào neng |
| Hànyǔ | cmn-003 | xiào li |
| Deutsch | deu-000 | Wirksamkeit |
| Deutsch | deu-000 | Wirkungskraft |
| ελληνικά | ell-000 | αποτελεσματικότητα |
| English | eng-000 | effectiveness |
| English | eng-000 | effectivity |
| English | eng-000 | efficaciousness |
| English | eng-000 | efficacy |
| English | eng-000 | efficiency |
| English | eng-000 | usefulness |
| Esperanto | epo-000 | celkonformeco |
| Esperanto | epo-000 | efekteco |
| Esperanto | epo-000 | efikeco |
| suomi | fin-000 | efektiivisyys |
| suomi | fin-000 | teho |
| suomi | fin-000 | tehokkuus |
| français | fra-000 | effectivité |
| français | fra-000 | efficacité |
| galego | glg-000 | efectividade |
| עברית | heb-000 | יעילות |
| hiMxI | hin-004 | praBAvapUrNawA |
| hrvatski | hrv-000 | Efektivnost |
| hrvatski | hrv-000 | djelotvórnōst |
| hrvatski | hrv-000 | efikasnost |
| hrvatski | hrv-000 | učinkòvitōst |
| hrvatski | hrv-000 | ȅfikasnōst |
| magyar | hun-000 | hatásosság |
| interlingua | ina-000 | effectivitate |
| interlingua | ina-000 | efficacia |
| bahasa Indonesia | ind-000 | efektivitas |
| italiano | ita-000 | efficacia |
| ქართული | kat-000 | ეფექტურობა |
| كورمانجى | kmr-002 | بهسوودی |
| 한국어 | kor-000 | 효과적임 |
| latine | lat-000 | efficacitas |
| latine | lat-000 | efficientia |
| македонски | mkd-000 | ефективност |
| Nederlands | nld-000 | doeltreffendheid |
| Nederlands | nld-000 | effectiviteit |
| Nederlands | nld-000 | werking |
| Nederlands | nld-000 | werkzaamheid |
| occitan | oci-000 | efectivitat |
| فارسی | pes-000 | اثر بخشى |
| polski | pol-000 | skuteczność |
| polski | pol-000 | skuteczny |
| português | por-000 | efetividade |
| português | por-000 | eficácia |
| русский | rus-000 | действенность |
| русский | rus-000 | эффективность |
| slovenčina | slk-000 | efektívnosť |
| slovenčina | slk-000 | užitočnost |
| español | spa-000 | efectividad |
| español | spa-000 | eficacia |
| svenska | swe-000 | effektivitet |
| Türkçe | tur-000 | etki |