| español | spa-000 |
| ineficacia | |
| luenga aragonesa | arg-000 | ineficacia |
| luenga aragonesa | arg-000 | ineficazia |
| Universal Networking Language | art-253 | ineffectiveness(icl>powerlessness>thing,ant>effectiveness) |
| asturianu | ast-000 | incompetencia |
| asturianu | ast-000 | ineficacia |
| asturianu | ast-000 | inutilidá |
| Bora | boa-000 | tocúúve |
| català | cat-000 | ineficàcia |
| català | cat-000 | inutilitat |
| čeština | ces-000 | neúspěšnost |
| čeština | ces-000 | neúčinnost |
| Cymraeg | cym-000 | aneffeithiolrwydd |
| Deutsch | deu-000 | Unwirksamkeit |
| ελληνικά | ell-000 | αδυναμία |
| ελληνικά | ell-000 | αναποτελεσματικότητα |
| English | eng-000 | incompetence |
| English | eng-000 | ineffectiveness |
| English | eng-000 | inefficacy |
| English | eng-000 | inefficiency |
| English | eng-000 | nullity |
| English | eng-000 | wussiness |
| Esperanto | epo-000 | neefikeco |
| Esperanto | epo-000 | neefiko |
| Esperanto | epo-000 | neutileco |
| Esperanto | epo-000 | senefikeco |
| Esperanto | epo-000 | senefiko |
| suomi | fin-000 | tehottomuus |
| français | fra-000 | inefficacité |
| français | fra-000 | inutilité |
| galego | glg-000 | ineficacia |
| galego | glg-000 | inutilidade |
| hiMxI | hin-004 | praBAvahInawA |
| bahasa Indonesia | ind-000 | ketidakberhasilan |
| italiano | ita-000 | disservizio |
| italiano | ita-000 | inconcludenza |
| italiano | ita-000 | inefficacia |
| italiano | ita-000 | inefficienza |
| 日本語 | jpn-000 | 無能 |
| 한국어 | kor-000 | 무력 |
| 한국어 | kor-000 | 무익 |
| македонски | mkd-000 | неефикасност |
| bokmål | nob-000 | ineffektivitet |
| occitan | oci-000 | ineficacitat |
| occitan | oci-000 | inutilitat |
| polski | pol-000 | bezskuteczność |
| polski | pol-000 | nieskuteczność |
| português | por-000 | ineficácia |
| română | ron-000 | incompetență |
| русский | rus-000 | бездейственность |
| Türkçe | tur-000 | acizlik |
| Türkçe | tur-000 | güçsüzlük |