| English | eng-000 |
| unpronounceable | |
| العربية | arb-000 | غير واضح |
| Universal Networking Language | art-253 | unpronounceable |
| Universal Networking Language | art-253 | unpronounceable(icl>adj) |
| Universal Networking Language | art-253 | unpronounceable(icl>adj,ant>pronounceable) |
| asturianu | ast-000 | impronunciable |
| čeština | ces-000 | nevyslovitelný |
| 普通话 | cmn-000 | 不能发音的 |
| 國語 | cmn-001 | 不能發音的 |
| Deutsch | deu-000 | unaussprechbar |
| Deutsch | deu-000 | unaussprechlich |
| eesti | ekk-000 | väljaütlematu |
| ελληνικά | ell-000 | δυσπρόφερτος |
| English | eng-000 | Byzantine |
| English | eng-000 | arduous |
| English | eng-000 | awkward |
| English | eng-000 | bad |
| English | eng-000 | bitter |
| English | eng-000 | bloody-minded |
| English | eng-000 | bolshy |
| English | eng-000 | bothersome |
| English | eng-000 | bunglesome |
| English | eng-000 | challenging |
| English | eng-000 | cumbersome |
| English | eng-000 | difficult |
| English | eng-000 | fractious |
| English | eng-000 | grave |
| English | eng-000 | grievous |
| English | eng-000 | hard |
| English | eng-000 | heavy |
| English | eng-000 | hot |
| English | eng-000 | inconvenient |
| English | eng-000 | inopportune |
| English | eng-000 | intractable |
| English | eng-000 | serious |
| English | eng-000 | sesquipedalian |
| English | eng-000 | tough |
| English | eng-000 | tricky |
| English | eng-000 | troublesome |
| English | eng-000 | troublous |
| English | eng-000 | unenviable |
| English | eng-000 | unfriendly |
| English | eng-000 | unmanageable |
| English | eng-000 | unutterable |
| English | eng-000 | unwieldy |
| suomi | fin-000 | hankala |
| suomi | fin-000 | mutkikas |
| suomi | fin-000 | vaikea |
| français | fra-000 | imprononçable |
| français | fra-000 | inexprimable |
| galego | glg-000 | impronunciable |
| galego | glg-000 | impronunciábel |
| हिन्दी | hin-000 | अनुच्चारणीय |
| हिन्दी | hin-000 | जटिल उच्चारण वाला |
| hiMxI | hin-004 | anuccAraNIya |
| magyar | hun-000 | ki nem ejthetõ |
| magyar | hun-000 | ki nem ejthető |
| magyar | hun-000 | ki nem mondható |
| magyar | hun-000 | kiejthetetlen |
| magyar | hun-000 | kimondhatatlan |
| bahasa Indonesia | ind-000 | tak dapat diucapkan |
| italiano | ita-000 | impronunciabile |
| italiano | ita-000 | impronunziabile |
| 한국어 | kor-000 | 발음하기 어려운 |
| 한국어 | kor-000 | 발음할 수 없는 |
| Lingua Franca Nova | lfn-000 | nonpronunsiable |
| فارسی | pes-000 | غیر قابل توصیف |
| русский | rus-000 | невыразимый |
| русский | rus-000 | непроизносимый |
| русский | rus-000 | неудобопроизносимый |
| español | spa-000 | impronunciable |
| ภาษาไทย | tha-000 | ซี่งออกเสียงไม่ได้ |
| Türkçe | tur-000 | ağıza alınmaz |
| Türkçe | tur-000 | telaffuz edilemeyen |
| tiếng Việt | vie-000 | không phát âm được |
| tiếng Việt | vie-000 | không đọc được |