| English | eng-000 |
| undisclosed | |
| toskërishte | als-000 | sekret |
| Englisce sprǣc | ang-000 | oþer |
| العربية | arb-000 | آخر |
| العربية | arb-000 | اخرين |
| العربية | arb-000 | غير معلن |
| Mapudungun | arn-000 | kake |
| Universal Networking Language | art-253 | undisclosed |
| Universal Networking Language | art-253 | undisclosed(icl>secret) |
| مصري | arz-000 | تانى |
| مصري | arz-000 | تانية |
| مصري | arz-000 | تانيين |
| বাংলা | ben-000 | অন্যান্য |
| বাংলা | ben-000 | গয়বি |
| bosanski | bos-000 | drugi |
| brezhoneg | bre-000 | all |
| brezhoneg | bre-000 | arall |
| български | bul-000 | друг |
| català | cat-000 | altre |
| Chamicuro | ccc-000 | pajna |
| čeština | ces-000 | neidentifikovaný |
| čeština | ces-000 | neodhalený |
| čeština | ces-000 | neznámý |
| ѩзыкъ словѣньскъ | chu-000 | дрѹгъ |
| 普通话 | cmn-000 | 身分不明 |
| dansk | dan-000 | andre |
| dansk | dan-000 | flere |
| Deutsch | deu-000 | geheim |
| Deutsch | deu-000 | still |
| Deutsch | deu-000 | ungenannt |
| Deutsch | deu-000 | versteckt |
| eesti | ekk-000 | avalikuks tegemata |
| ελληνικά | ell-000 | άλλος |
| ελληνικά | ell-000 | μη αποκαλυφθείς |
| ελληνικά | ell-000 | μη φανερωθείς |
| ελληνικά | ell-000 | μυστικός |
| English | eng-000 | alien |
| English | eng-000 | arcane |
| English | eng-000 | backstair |
| English | eng-000 | backstairs |
| English | eng-000 | clandestine |
| English | eng-000 | concealed |
| English | eng-000 | confidential |
| English | eng-000 | covert |
| English | eng-000 | dark |
| English | eng-000 | eery |
| English | eng-000 | esoteric |
| English | eng-000 | ex-directory |
| English | eng-000 | far-out |
| English | eng-000 | hidden |
| English | eng-000 | hugger mugger |
| English | eng-000 | hush-hush |
| English | eng-000 | incognoscible |
| English | eng-000 | indeterminate |
| English | eng-000 | little-known |
| English | eng-000 | mystic |
| English | eng-000 | mystical |
| English | eng-000 | nameless |
| English | eng-000 | obscure |
| English | eng-000 | occult |
| English | eng-000 | out-of-the-way |
| English | eng-000 | private |
| English | eng-000 | privy |
| English | eng-000 | privy to |
| English | eng-000 | restricted |
| English | eng-000 | rummy |
| English | eng-000 | sealed |
| English | eng-000 | secret |
| English | eng-000 | sneak |
| English | eng-000 | sneaking |
| English | eng-000 | strange |
| English | eng-000 | stranger |
| English | eng-000 | sub-rosa |
| English | eng-000 | suppressible |
| English | eng-000 | surreptitious |
| English | eng-000 | unacknowledged |
| English | eng-000 | unacquainted |
| English | eng-000 | unascertainable |
| English | eng-000 | unbeknown |
| English | eng-000 | unbeknownst |
| English | eng-000 | under wraps |
| English | eng-000 | under-the-counter |
| English | eng-000 | under-the-table |
| English | eng-000 | undercover |
| English | eng-000 | underground |
| English | eng-000 | undiscoverable |
| English | eng-000 | undiscovered |
| English | eng-000 | unfamiliar |
| English | eng-000 | unheard-of |
| English | eng-000 | unidentified |
| English | eng-000 | unknowable |
| English | eng-000 | unknown |
| English | eng-000 | unlisted |
| English | eng-000 | unnamed |
| English | eng-000 | unpredictable |
| English | eng-000 | unrecognised |
| English | eng-000 | unrecognized |
| English | eng-000 | unrevealed |
| English | eng-000 | unseeyn |
| English | eng-000 | unsung |
| Esperanto | epo-000 | alia |
| Esperanto | epo-000 | sekreta |
| Esperanto | epo-000 | sekretokonfidenca |
| euskara | eus-000 | beste |
| suomi | fin-000 | salainen |
| suomi | fin-000 | salassa pidetty |
| suomi | fin-000 | toinen |
| suomi | fin-000 | tuntematon |
| galego | glg-000 | outro |
| diutisk | goh-000 | andar |
| ἑλληνικὴ γλῶττα | grc-000 | ἄλλος |
| ἑλληνικὴ γλῶττα | grc-000 | ἕτερος |
| Golin | gvf-000 | si alibe ere |
| हिन्दी | hin-000 | अज्ञात |
| हिन्दी | hin-000 | गुप्त |
| hrvatski | hrv-000 | neobjavljen |
| արևելահայերեն | hye-000 | մյուս |
| Ido | ido-000 | altra |
| italiano | ita-000 | altro |
| italiano | ita-000 | anònimo |
| italiano | ita-000 | nascosto |
| 日本語 | jpn-000 | 他 |
| 日本語 | jpn-000 | 他の |
| 日本語 | jpn-000 | 別 |
| ქართული | kat-000 | მეორე |
| Kölsch | ksh-000 | annder |
| Kölsch | ksh-000 | anndere |
| Kölsch | ksh-000 | anndo |
| latine | lat-000 | alter |
| македонски | mkd-000 | друг |
| napulitano | nap-000 | ato |
| Nederlands | nld-000 | ander |
| Nederlands | nld-000 | andere |
| bokmål | nob-000 | andre |
| bokmål | nob-000 | annen |
| bokmål | nob-000 | hemmeligholdt |
| norskr | non-000 | annarr |
| Novial | nov-000 | altri |
| پښتو ژبه | pbu-000 | بل |
| Pennsilfaanisch Deitsch | pdc-000 | annah |
| فارسی | pes-000 | دیگَر |
| polski | pol-000 | inna |
| polski | pol-000 | inne |
| Kalderašicko Romani čhib | rmy-000 | kaver |
| română | ron-000 | alt |
| limba armãneascã | rup-000 | altu |
| русский | rus-000 | засекреченный |
| русский | rus-000 | неизвестный |
| русский | rus-000 | неназванный |
| русский | rus-000 | необъявленный |
| русский | rus-000 | неразоблаченный |
| русский | rus-000 | нераскрытый |
| русский | rus-000 | неуказанный |
| संस्कृतम् | san-000 | अन्य |
| Shabo | sbf-000 | maʔam |
| Shabo | sbf-000 | upa |
| Shabo | sbf-000 | yuu |
| slovenčina | slk-000 | neznámy |
| slovenčina | slk-000 | utajený |
| slovenščina | slv-000 | drug |
| slovenščina | slv-000 | neimenovan |
| slovenščina | slv-000 | neobjavljen |
| slovenščina | slv-000 | neodkrit |
| سنڌي | snd-000 | ٻيو |
| español | spa-000 | desconocido |
| español | spa-000 | sin revelar |
| shqip | sqi-000 | tjetër |
| Sranantongo | srn-000 | tra |
| српски | srp-000 | други |
| srpski | srp-001 | drugi |
| svenska | swe-000 | andra |
| svenska | swe-000 | annat |
| svenska | swe-000 | hemlig |
| svenska | swe-000 | hemlighållen |
| svenska | swe-000 | inte avslöjad |
| svenska | swe-000 | inte röjd |
| svenska | swe-000 | konfidentiell |
| Kiswahili | swh-000 | ingine |
| తెలుగు | tel-000 | ఇతర |
| ภาษาไทย | tha-000 | ที่ไม่เปิดเผย |
| ภาษาไทย | tha-000 | ลับ |
| Tok Pisin | tpi-000 | arapela |
| Türkçe | tur-000 | açığa vurulmamış |
| Türkçe | tur-000 | ifşa edilmemiş |
| українська | ukr-000 | другий |
| українська | ukr-000 | інший |
| اردو | urd-000 | راز دارون |
| اردو | urd-000 | مخفی |
| اردو | urd-000 | پوشیدہ |
| اردو | urd-000 | چھپا ہوا |
| tiếng Việt | vie-000 | khác |
| tiếng Việt | vie-000 | không bị tiết lộ |
| tiếng Việt | vie-000 | không lộ |
| tiếng Việt | vie-000 | được giấu kín |
| Volapük | vol-000 | votik |
| 原中国 | zho-000 | 别的 |