| English | eng-000 |
| unrevealed | |
| Englisce sprǣc | ang-000 | dyrne |
| العربية | arb-000 | سري |
| العربية | arb-000 | غير معلن |
| Universal Networking Language | art-253 | unrevealed |
| বাংলা | ben-000 | অস্ফুট |
| বাংলা | ben-000 | গুপ্ত |
| বাংলা | ben-000 | গুম |
| বাংলা | ben-000 | গূঢ় |
| বাংলা | ben-000 | গোপন |
| বাংলা | ben-000 | লুকানো |
| български | bul-000 | таен |
| български | bul-000 | тайно |
| català | cat-000 | secret |
| 普通话 | cmn-000 | 不可告人 |
| 普通话 | cmn-000 | 丏 |
| 普通话 | cmn-000 | 閟 |
| 國語 | cmn-001 | 不可告人 |
| 國語 | cmn-001 | 丏 |
| 國語 | cmn-001 | 閟 |
| Hànyǔ | cmn-003 | bi |
| Hànyǔ | cmn-003 | bù kě gào ren |
| Hànyǔ | cmn-003 | mian |
| Cymraeg | cym-000 | cudd |
| Cymraeg | cym-000 | cuddiedig |
| Cymraeg | cym-000 | cyfrin |
| Cymraeg | cym-000 | cêl |
| Cymraeg | cym-000 | dirgel |
| dansk | dan-000 | hemmelig |
| Deutsch | deu-000 | nicht enthüllt |
| eesti | ekk-000 | peidetud |
| ελληνικά | ell-000 | κούφιος |
| ελληνικά | ell-000 | κρυφός |
| English | eng-000 | alien |
| English | eng-000 | concealed |
| English | eng-000 | confidential |
| English | eng-000 | deep |
| English | eng-000 | hidden |
| English | eng-000 | incognoscible |
| English | eng-000 | indeterminate |
| English | eng-000 | little-known |
| English | eng-000 | mysterious |
| English | eng-000 | nameless |
| English | eng-000 | obscure |
| English | eng-000 | out of view |
| English | eng-000 | perdu |
| English | eng-000 | private |
| English | eng-000 | secret |
| English | eng-000 | strange |
| English | eng-000 | stranger |
| English | eng-000 | unacknowledged |
| English | eng-000 | unacquainted |
| English | eng-000 | unascertainable |
| English | eng-000 | unbeknown |
| English | eng-000 | unbeknownst |
| English | eng-000 | undisclosed |
| 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 | unnamed |
| English | eng-000 | unpredictable |
| English | eng-000 | unrecognised |
| English | eng-000 | unrecognized |
| English | eng-000 | unseeyn |
| English | eng-000 | unsung |
| English | eng-000 | veiled |
| Englisch | enm-000 | diȝel |
| Wikang Filipino | fil-000 | lingid |
| suomi | fin-000 | kätketty |
| suomi | fin-000 | piilotettu |
| suomi | fin-000 | salainen |
| suomi | fin-000 | tuntematon |
| Frysk | fry-000 | geheim |
| Srpskohrvatski | hbs-001 | skriven |
| Srpskohrvatski | hbs-001 | скривен |
| עברית | heb-000 | סודי |
| Hiligaynon | hil-000 | likum |
| हिन्दी | hin-000 | अज्ञात |
| हिन्दी | hin-000 | गुप्त |
| hrvatski | hrv-000 | neobjavljen |
| hrvatski | hrv-000 | neotkriven |
| hrvatski | hrv-000 | potajan |
| hrvatski | hrv-000 | skròvit |
| hrvatski | hrv-000 | tȃjnī |
| magyar | hun-000 | fel nem fedett |
| magyar | hun-000 | közzé nem tett |
| magyar | hun-000 | nyilvánosságra nem hozott |
| interlingua | ina-000 | secrete |
| bahasa Indonesia | ind-000 | rahasia |
| íslenska | isl-000 | hulinn |
| italiano | ita-000 | nascosta |
| italiano | ita-000 | occulte |
| italiano | ita-000 | riposto |
| ქართული | kat-000 | საიდუმლო |
| latine | lat-000 | occultus |
| lietuvių | lit-000 | slapta |
| македонски | mkd-000 | таен |
| Maranao | mrw-000 | romirirong |
| Nederlands | nld-000 | verdekt |
| polski | pol-000 | sekretny |
| português | por-000 | escondida |
| română | ron-000 | secret |
| română | ron-000 | tainic |
| română | ron-000 | tainică |
| русский | rus-000 | потаённый |
| lingua siciliana | scn-000 | ammucciatu |
| slovenčina | slk-000 | tajná |
| slovenčina | slk-000 | tajné |
| slovenčina | slk-000 | zatajená |
| slovenčina | slk-000 | zatajené |
| slovenčina | slk-000 | zatajený |
| slovenščina | slv-000 | neimenovan |
| slovenščina | slv-000 | neobjavljen |
| slovenščina | slv-000 | neodkrit |
| slovenščina | slv-000 | skriven |
| slovenščina | slv-000 | skrivna |
| slovenščina | slv-000 | skrivno |
| svenska | swe-000 | förborgad |
| svenska | swe-000 | gömd |
| svenska | swe-000 | hemlig |
| Kiswahili | swh-000 | siri |
| తెలుగు | tel-000 | రహస్య |
| Tagalog | tgl-000 | lingid |
| ภาษาไทย | tha-000 | ซึ่งปิดบังอยู่ |
| ภาษาไทย | tha-000 | ที่ไม่เปิดเผย |
| ภาษาไทย | tha-000 | ลับ |
| tiếng Việt | vie-000 | bí mật |
| tiếng Việt | vie-000 | không bị khám phá |
| tiếng Việt | vie-000 | không bị phát giác |
| tiếng Việt | vie-000 | không để lộ ra |
| Volapük | vol-000 | klänik |