| interlingua | ina-000 |
| problema | |
| العربية | arb-000 | مَسْأَلَة |
| Romániço | art-013 | problémato |
| asturianu | ast-000 | problema |
| башҡорт теле | bak-000 | мәсьәлә |
| bosanski | bos-000 | problem |
| brezhoneg | bre-000 | poelladenn |
| català | cat-000 | problema |
| 普通话 | cmn-000 | 习题 |
| 普通话 | cmn-000 | 课题 |
| 普通话 | cmn-000 | 问题 |
| 普通话 | cmn-000 | 题目 |
| 國語 | cmn-001 | 習題 |
| 國語 | cmn-001 | 課題 |
| 國語 | cmn-001 | 題目 |
| Deutsch | deu-000 | Problem |
| Deutsch | deu-000 | Übung |
| eesti | ekk-000 | harjutus |
| ελληνικά | ell-000 | πρόβλημα |
| English | eng-000 | issue |
| English | eng-000 | matter |
| English | eng-000 | problem |
| English | eng-000 | puzzle |
| Esperanto | epo-000 | problemo |
| euskara | eus-000 | buruketa |
| suomi | fin-000 | harjoitus |
| suomi | fin-000 | harjoitustehtävä |
| français | fra-000 | problème |
| galego | glg-000 | problema |
| Српскохрватски | hbs-000 | проблем |
| Srpskohrvatski | hbs-001 | jednadžba |
| Srpskohrvatski | hbs-001 | problem |
| Srpskohrvatski | hbs-001 | zadatak |
| hrvatski | hrv-000 | problem |
| magyar | hun-000 | feladat |
| արևելահայերեն | hye-000 | խնդիր |
| արևելահայերեն | hye-000 | հարց |
| Ido | ido-000 | problemo |
| interlingua | ina-000 | enigma |
| interlingua | ina-000 | question |
| italiano | ita-000 | problema |
| italiano | ita-000 | questione |
| ქართული | kat-000 | ამოცანა |
| 한국어 | kor-000 | 문제 |
| latviešu | lvs-000 | uzdevums |
| македонски | mkd-000 | задача |
| македонски | mkd-000 | проблем |
| Nederlands | nld-000 | oefening |
| Nederlands | nld-000 | probleem |
| bokmål | nob-000 | oppgave |
| occitan | oci-000 | problèma |
| فارسی | pes-000 | مسئله |
| polski | pol-000 | problem |
| polski | pol-000 | zadanie |
| português | por-000 | exercício |
| português | por-000 | problema |
| română | ron-000 | problemă |
| русский | rus-000 | зада́ние |
| русский | rus-000 | зада́ча |
| русский | rus-000 | задание |
| русский | rus-000 | задача |
| русский | rus-000 | проблема |
| español | spa-000 | ejercicio |
| español | spa-000 | problema |
| Kiswahili | swh-000 | masaibu |
| ภาษาไทย | tha-000 | โจทย์ |
| Türkçe | tur-000 | soru |