| eesti | ekk-000 |
| teadmata | |
| ISO 12620 | art-317 | unknown |
| català | cat-000 | desconegut |
| dansk | dan-000 | ukendt |
| Deutsch | deu-000 | Unbekannt |
| eesti | ekk-000 | selja taga |
| eesti | ekk-000 | teadmatu |
| eesti | ekk-000 | tundmatu |
| ελληνικά | ell-000 | άγνωστο |
| English | eng-000 | behind one’s back |
| English | eng-000 | behind your back |
| English | eng-000 | unbeknownst |
| English | eng-000 | unbeknownst to |
| English | eng-000 | unknown |
| suomi | fin-000 | tuntematon |
| français | fra-000 | inconnu |
| hrvatski | hrv-000 | nepoznato |
| magyar | hun-000 | ismeretlen |
| italiano | ita-000 | sconosciuto |
| latviešu | lvs-000 | nav zināms |
| polski | pol-000 | nieznany |
| português | por-000 | desconhecido |
| русский | rus-000 | неведомо |
| русский | rus-000 | неизвестно |
| русский | rus-000 | неизвестный |
| русский | rus-000 | неопределенный |
| русский | rus-000 | энный |
| español | spa-000 | desconocido |
| svenska | swe-000 | okänd |