| français | fra-000 |
| clandestin | |
| toskërishte | als-000 | i fshehtë |
| العربية | arb-000 | مختف |
| luenga aragonesa | arg-000 | clandestino |
| Universal Networking Language | art-253 | black(icl>adj,equ>bootleg) |
| Sambahsa-mundialect | art-288 | clandestin |
| asturianu | ast-000 | clandestín |
| asturianu | ast-000 | ocultu |
| беларуская | bel-000 | канспіратыўны |
| беларуская | bel-000 | канспірацыйны |
| brezhoneg | bre-000 | a-zindan-guzh |
| brezhoneg | bre-000 | den a-zindan-guzh |
| brezhoneg | bre-000 | den koachet |
| brezhoneg | bre-000 | den kuzh |
| brezhoneg | bre-000 | koachet |
| brezhoneg | bre-000 | kuzh |
| български | bul-000 | нелега́лен |
| български | bul-000 | нелегален |
| български | bul-000 | та́ен |
| български | bul-000 | таен |
| català | cat-000 | amagat |
| català | cat-000 | clandestí |
| català | cat-000 | encobert |
| català | cat-000 | ocult |
| català | cat-000 | secret |
| català | cat-000 | subreptici |
| català | cat-000 | subterrani |
| čeština | ces-000 | konspirativní |
| čeština | ces-000 | konspirační |
| čeština | ces-000 | pokoutní |
| čeština | ces-000 | tajný |
| čeština | ces-000 | utajený |
| čeština | ces-000 | utajovaný |
| čeština | ces-000 | špionážní |
| 普通话 | cmn-000 | 地下 |
| 普通话 | cmn-000 | 暗中 |
| 普通话 | cmn-000 | 暗中的 |
| 普通话 | cmn-000 | 神不知鬼不觉 |
| 普通话 | cmn-000 | 秘密 |
| 普通话 | cmn-000 | 秘密的 |
| 國語 | cmn-001 | 地下 |
| 國語 | cmn-001 | 暗中 |
| 國語 | cmn-001 | 暗中的 |
| 國語 | cmn-001 | 神不知鬼不覺 |
| 國語 | cmn-001 | 秘密 |
| 國語 | cmn-001 | 秘密的 |
| 國語 | cmn-001 | 臥底 |
| Hànyǔ | cmn-003 | shén bù zhī guǐ bù jue |
| tombo so | dbu-001 | bóŋú |
| tombo so | dbu-001 | bóŋú-ndú |
| Walo | dbw-000 | zɔ́wàn |
| Deutsch | deu-000 | Kassiber |
| Deutsch | deu-000 | Schwarz- |
| Deutsch | deu-000 | Untergrund |
| Deutsch | deu-000 | geheim |
| Deutsch | deu-000 | heimlich |
| Deutsch | deu-000 | illegal |
| Deutsch | deu-000 | klammheimlich |
| Deutsch | deu-000 | klandestin |
| Deutsch | deu-000 | konspirativ |
| Deutsch | deu-000 | unter der Hand |
| Deutsch | deu-000 | untergrund |
| Deutsch | deu-000 | verborgen |
| Deutsch | deu-000 | vertraulich |
| jàmsǎy | djm-000 | baŋa |
| jàmsǎy | djm-000 | báŋá |
| Tabi | djm-002 | cérmò |
| Tabi | djm-002 | cérúm |
| Perge Tegu | djm-004 | súgò |
| Mombo | dmb-001 | kùkùyá |
| Togo-Kan | dtk-002 | báŋ |
| Yorno-So | dts-001 | bɔ́ŋúrú |
| ελληνικά | ell-000 | αφανής |
| ελληνικά | ell-000 | κρυφός |
| ελληνικά | ell-000 | λαθραίος |
| ελληνικά | ell-000 | μυστικός |
| ελληνικά | ell-000 | συνωμοτικός |
| ελληνικά | ell-000 | υπόγειος |
| Ellinika | ell-003 | kryfós |
| Ellinika | ell-003 | mystikós |
| English | eng-000 | backstair |
| English | eng-000 | backstairs |
| English | eng-000 | below ground |
| English | eng-000 | black |
| English | eng-000 | clandescent |
| English | eng-000 | clandestine |
| English | eng-000 | cleverness |
| English | eng-000 | cloak-and-dagger |
| English | eng-000 | conspiratorial |
| English | eng-000 | covert |
| English | eng-000 | furtive |
| English | eng-000 | furtiveness |
| English | eng-000 | hidden |
| English | eng-000 | hole-and-corner |
| English | eng-000 | hugger-mugger |
| English | eng-000 | hush-hush |
| English | eng-000 | illegal |
| English | eng-000 | illicit |
| English | eng-000 | private |
| English | eng-000 | secret |
| English | eng-000 | surreptitious |
| English | eng-000 | trickiness |
| English | eng-000 | tricky |
| English | eng-000 | undercover |
| English | eng-000 | underground |
| English | eng-000 | underhand |
| Esperanto | epo-000 | inkognita |
| Esperanto | epo-000 | kaŝa |
| Esperanto | epo-000 | kaŝita |
| Esperanto | epo-000 | senpaperulo |
| Esperanto | epo-000 | senpasportulo |
| Esperanto | epo-000 | subtera |
| Esperanto | epo-000 | talpa |
| euskara | eus-000 | klandestino |
| euskara | eus-000 | sekretu |
| suomi | fin-000 | hiipivä |
| suomi | fin-000 | maanalainen |
| suomi | fin-000 | salainen |
| suomi | fin-000 | salamyhkäinen |
| suomi | fin-000 | salassa pidetty |
| suomi | fin-000 | salavihkainen |
| suomi | fin-000 | vaivihkainen |
| suomi | fin-000 | vakoilu |
| suomi | fin-000 | vakoilu- |
| français | fra-000 | astuce |
| français | fra-000 | biffeton |
| français | fra-000 | caché |
| français | fra-000 | clandestine |
| français | fra-000 | courte |
| français | fra-000 | dissimulé |
| français | fra-000 | furtif |
| français | fra-000 | illégal |
| français | fra-000 | lazagne |
| français | fra-000 | lettre |
| français | fra-000 | message |
| français | fra-000 | note |
| français | fra-000 | sans-papier |
| français | fra-000 | secret |
| français | fra-000 | sousterrain |
| français | fra-000 | sousterraine |
| français | fra-000 | souterrain |
| lenga arpitana | frp-000 | clandestin |
| Frysk | fry-000 | geheim |
| galego | glg-000 | clandestino |
| ἑλληνικὴ γλῶττα | grc-000 | λαθραῖος |
| Српскохрватски | hbs-000 | скрѝвен |
| Srpskohrvatski | hbs-001 | potajno |
| Srpskohrvatski | hbs-001 | prikriveno |
| Srpskohrvatski | hbs-001 | skrìven |
| Srpskohrvatski | hbs-001 | tajan |
| עברית | heb-000 | סודי |
| hrvatski | hrv-000 | krišom urađen |
| hrvatski | hrv-000 | tajan |
| magyar | hun-000 | engedély nélküli |
| magyar | hun-000 | okmány nélküli |
| magyar | hun-000 | tilalmas |
| magyar | hun-000 | titkos |
| magyar | hun-000 | útlevéllel nem rendelkező |
| Ido | ido-000 | sekreta |
| interlingua | ina-000 | secrete |
| bahasa Indonesia | ind-000 | bawah tanah |
| bahasa Indonesia | ind-000 | hitam |
| bahasa Indonesia | ind-000 | licik |
| bahasa Indonesia | ind-000 | lihai |
| bahasa Indonesia | ind-000 | rahasia |
| bahasa Indonesia | ind-000 | rahsia |
| bahasa Indonesia | ind-000 | sulit |
| bahasa Indonesia | ind-000 | tersembunyi |
| íslenska | isl-000 | laumulegur |
| íslenska | isl-000 | leynilegur |
| íslenska | isl-000 | neðanjarðar |
| italiano | ita-000 | clandestina |
| italiano | ita-000 | clandestino |
| italiano | ita-000 | furtivo |
| italiano | ita-000 | illegale |
| italiano | ita-000 | nero |
| italiano | ita-000 | segreto |
| italiano | ita-000 | surrettizio |
| 日本語 | jpn-000 | himitsu no)不法の |
| 日本語 | jpn-000 | アングラ |
| 日本語 | jpn-000 | 不法 |
| 日本語 | jpn-000 | 内密 |
| 日本語 | jpn-000 | 地下 |
| 日本語 | jpn-000 | 密 |
| 日本語 | jpn-000 | 密か |
| 日本語 | jpn-000 | 密やか |
| 日本語 | jpn-000 | 忍びやか |
| 日本語 | jpn-000 | 秘か |
| 日本語 | jpn-000 | 秘めやか |
| 日本語 | jpn-000 | 秘やか |
| 日本語 | jpn-000 | 秘密 |
| 日本語 | jpn-000 | 秘密の(ひみつの |
| 日本語 | jpn-000 | 窃か |
| ქართული | kat-000 | საიდუმლო |
| қазақ | kaz-000 | жасырын |
| қазақ | kaz-000 | конспирациялы |
| қазақ | kaz-000 | конспирациялық |
| қазақ | kaz-000 | құпия |
| Kurmancî | kmr-000 | dizîkî |
| Kurmancî | kmr-000 | nehênî |
| Kurmancî | kmr-000 | nepenî |
| 한국어 | kor-000 | 남몰래하는 |
| 한국어 | kor-000 | 뒤가 구린 |
| 한국어 | kor-000 | 비밀히 한 |
| 한국어 | kor-000 | 스파이 활동의 |
| 한국어 | kor-000 | 스파이물의 |
| 한국어 | kor-000 | 첩보 활동 |
| latine | lat-000 | clandestinus |
| latine | lat-000 | clandestīnus |
| lengua lígure | lij-000 | clandestin |
| македонски | mkd-000 | потаен |
| Nederlands | nld-000 | blind |
| Nederlands | nld-000 | clandestien |
| Nederlands | nld-000 | geheim |
| Nederlands | nld-000 | heimelijk |
| Nederlands | nld-000 | illegaal |
| Nederlands | nld-000 | klandestien |
| Nederlands | nld-000 | mens zonder papieren |
| Nederlands | nld-000 | ondergronds |
| nàŋ-dàmá | nzz-000 | dáw-yɛ̀ |
| occitan | oci-000 | clandestin |
| provençau, nòrma mistralenca | oci-002 | clandestin |
| ирон ӕвзаг | oss-000 | конспирацион |
| ирон ӕвзаг | oss-000 | сусæг |
| Papiamentu | pap-000 | ilegal |
| langue picarde | pcd-000 | clandèstîn |
| فارسی | pes-000 | پنهانی |
| polski | pol-000 | konspiracyjny |
| polski | pol-000 | nielegalny |
| polski | pol-000 | pokątny |
| polski | pol-000 | potajemny |
| polski | pol-000 | sekretny |
| polski | pol-000 | tajny |
| polski | pol-000 | ukryty |
| português | por-000 | clandestina |
| português | por-000 | clandestino |
| português | por-000 | escondido |
| português | por-000 | ilegal |
| português | por-000 | secreto |
| română | ron-000 | ascuns |
| română | ron-000 | clandestin |
| română | ron-000 | ilegal |
| română | ron-000 | ocult |
| română | ron-000 | secret |
| română | ron-000 | sub acoperire |
| русский | rus-000 | конспиративный |
| русский | rus-000 | незаконный |
| русский | rus-000 | нелега́льный |
| русский | rus-000 | нелегальный |
| русский | rus-000 | подпо́льный |
| русский | rus-000 | подпольная |
| русский | rus-000 | подпольный |
| русский | rus-000 | секре́тный |
| русский | rus-000 | секретный |
| русский | rus-000 | та́йный |
| русский | rus-000 | тайный |
| slovenčina | slk-000 | pokútny |
| slovenčina | slk-000 | skrývaný |
| slovenčina | slk-000 | utajovaný |
| slovenščina | slv-000 | ilegalen |
| slovenščina | slv-000 | podtalen |
| slovenščina | slv-000 | skrit |
| slovenščina | slv-000 | skriven |
| slovenščina | slv-000 | skrivnosten |
| slovenščina | slv-000 | tajen |
| slovenščina | slv-000 | tajinstven |
| slovenščina | slv-000 | zaupen |
| español | spa-000 | clandestina |
| español | spa-000 | clandestino |
| español | spa-000 | conspirativo |
| español | spa-000 | encubierto |
| español | spa-000 | furtivo |
| español | spa-000 | ilegal |
| español | spa-000 | oculto |
| español | spa-000 | secreto |
| svenska | swe-000 | hemlig |
| svenska | swe-000 | i hemlighet |
| svenska | swe-000 | i lönndom |
| svenska | swe-000 | i smyg |
| svenska | swe-000 | i största hemlighet |
| svenska | swe-000 | illegal |
| svenska | swe-000 | klandestin |
| svenska | swe-000 | konspirativ |
| svenska | swe-000 | olaglig |
| svenska | swe-000 | smyg- |
| Schwäbisch | swg-000 | hälingen |
| తెలుగు | tel-000 | రహస్య |
| ภาษาไทย | tha-000 | ทำอย่างลับ ๆ |
| ภาษาไทย | tha-000 | มีเลศนัย |
| ภาษาไทย | tha-000 | ลอบทำ |
| ภาษาไทย | tha-000 | ลับ ๆ |
| ภาษาไทย | tha-000 | ลี้ลับ |
| ภาษาไทย | tha-000 | เกี่ยวกับการจารกรรม |
| ภาษาไทย | tha-000 | เกี่ยวกับการหาข่าวลับ |
| Türkçe | tur-000 | casusluk |
| Türkçe | tur-000 | casusluk ile ilgili |
| Türkçe | tur-000 | el altından |
| Türkçe | tur-000 | gizli |
| Türkçe | tur-000 | gizli kapaklı |
| Türkçe | tur-000 | gizli yapılan |
| Türkçe | tur-000 | kanunsuz |
| Türkçe | tur-000 | konspiratif |
| Türkçe | tur-000 | macera |
| Türkçe | tur-000 | polisiye |
| Türkçe | tur-000 | saklı |
| Türkçe | tur-000 | çok gizli |
| українська | ukr-000 | конспіративний |
| українська | ukr-000 | пригодницький |
| українська | ukr-000 | прихований-і-кинжал |
| українська | ukr-000 | романтичний |
| українська | ukr-000 | секретний |
| українська | ukr-000 | шпигунський |
| tiếng Việt | vie-000 | bí mật |
| tiếng Việt | vie-000 | lén lút |
| tiếng Việt | vie-000 | lậu |
| Bahasa Malaysia | zsm-000 | bawah tanah |
| Bahasa Malaysia | zsm-000 | licik |
| Bahasa Malaysia | zsm-000 | lihai |
| Bahasa Malaysia | zsm-000 | pengintipan |
| Bahasa Malaysia | zsm-000 | rahsia |
| Bahasa Malaysia | zsm-000 | sulit |
| Bahasa Malaysia | zsm-000 | tersembunyi |