| Türkçe | tur-000 |
| el altından | |
| العربية | arb-000 | مختف |
| luenga aragonesa | arg-000 | clandestino |
| asturianu | ast-000 | clandestín |
| asturianu | ast-000 | ocultu |
| azərbaycanca | azj-000 | gizli |
| български | bul-000 | нелегален |
| български | bul-000 | таен |
| català | cat-000 | clandestí |
| català | cat-000 | d’amagat |
| català | cat-000 | en secret |
| català | cat-000 | secret |
| català | cat-000 | secretament |
| català | cat-000 | subreptici |
| čeština | ces-000 | podloudně |
| čeština | ces-000 | pokradmu |
| čeština | ces-000 | potají |
| čeština | ces-000 | tajný |
| čeština | ces-000 | špionážní |
| 普通话 | cmn-000 | 暗中 |
| 普通话 | cmn-000 | 神不知鬼不觉 |
| 普通话 | cmn-000 | 秘密 |
| 普通话 | cmn-000 | 背地风 |
| 國語 | cmn-001 | 暗中 |
| 國語 | cmn-001 | 神不知鬼不覺 |
| 國語 | cmn-001 | 秘密 |
| 國語 | cmn-001 | 背地風 |
| 國語 | cmn-001 | 臥底 |
| Hànyǔ | cmn-003 | bèi dì feng |
| Hànyǔ | cmn-003 | shén bù zhī guǐ bù jue |
| Hànyǔ | cmn-003 | àn zhong |
| dansk | dan-000 | hemmeligt |
| Deutsch | deu-000 | Schwarz- |
| Deutsch | deu-000 | betrügerisch |
| Deutsch | deu-000 | geheim |
| Deutsch | deu-000 | heimlich |
| Deutsch | deu-000 | heimtückisch |
| Deutsch | deu-000 | hintenherum |
| Deutsch | deu-000 | illegal |
| Deutsch | deu-000 | insgeheim |
| Deutsch | deu-000 | klandestin |
| Deutsch | deu-000 | stiekum |
| Deutsch | deu-000 | unter der Hand |
| Deutsch | deu-000 | verstohlen |
| ελληνικά | ell-000 | κρυφός |
| ελληνικά | ell-000 | λαθραίος |
| English | eng-000 | backstair |
| English | eng-000 | backstairs |
| English | eng-000 | behind somebody’s back |
| English | eng-000 | clandescent |
| English | eng-000 | clandestine |
| English | eng-000 | furtively |
| English | eng-000 | hole-and-corner |
| English | eng-000 | in secret |
| English | eng-000 | off-the-record |
| English | eng-000 | rose |
| English | eng-000 | secretly |
| English | eng-000 | slyly |
| English | eng-000 | stealthily |
| English | eng-000 | subrosa |
| English | eng-000 | surreptitious |
| English | eng-000 | surreptitiously |
| English | eng-000 | underhand |
| Esperanto | epo-000 | inkognita |
| Esperanto | epo-000 | kaŝe |
| Esperanto | epo-000 | kaŝeme |
| Esperanto | epo-000 | kaŝite |
| Esperanto | epo-000 | sekrete |
| Esperanto | epo-000 | talpa |
| euskara | eus-000 | isilean |
| euskara | eus-000 | klandestino |
| euskara | eus-000 | sekretu |
| suomi | fin-000 | salaa |
| suomi | fin-000 | salainen |
| suomi | fin-000 | vaivihkaa |
| suomi | fin-000 | vakoilu |
| suomi | fin-000 | vakoilu- |
| suomi | fin-000 | varkain |
| français | fra-000 | clandestin |
| français | fra-000 | en tapinois |
| français | fra-000 | furtivement |
| français | fra-000 | occulte |
| français | fra-000 | secrètement |
| français | fra-000 | sourdement |
| français | fra-000 | sournoisement |
| français | fra-000 | sous main |
| français | fra-000 | subreptice |
| français | fra-000 | subrepticement |
| français | fra-000 | à la dérobée |
| Frysk | fry-000 | geheim |
| galego | glg-000 | clandestino |
| galego | glg-000 | en segredo |
| galego | glg-000 | ás furtadelas |
| ἑλληνικὴ γλῶττα | grc-000 | κρυφᾷ |
| ἑλληνικὴ γλῶττα | grc-000 | κρυφῆ |
| kreyòl ayisyen | hat-000 | anba chal |
| עברית | heb-000 | סודי |
| hiMxI | hin-004 | corI-corI |
| hrvatski | hrv-000 | kradimice |
| hrvatski | hrv-000 | kradomice |
| hrvatski | hrv-000 | krišom urađen |
| hrvatski | hrv-000 | skriveno |
| magyar | hun-000 | alattomban |
| magyar | hun-000 | lopva |
| magyar | hun-000 | stikában |
| magyar | hun-000 | tilalmas |
| magyar | hun-000 | titkon |
| magyar | hun-000 | titokban |
| արևելահայերեն | hye-000 | կամաց կամաց |
| արևելահայերեն | hye-000 | կամաց-կամաց |
| արևելահայերեն | hye-000 | կամացուկ |
| Ido | ido-000 | sekrete |
| interlingua | ina-000 | secrete |
| bahasa Indonesia | ind-000 | rahasia |
| íslenska | isl-000 | laumulegur |
| íslenska | isl-000 | neðanjarðar |
| italiano | ita-000 | clandestina |
| italiano | ita-000 | clandestinamente |
| italiano | ita-000 | clandestino |
| italiano | ita-000 | di nascosto |
| italiano | ita-000 | di soppiatto |
| italiano | ita-000 | di sottecchi |
| italiano | ita-000 | di straforo |
| italiano | ita-000 | furtivamente |
| italiano | ita-000 | in segreto |
| italiano | ita-000 | occultamento |
| italiano | ita-000 | segreto |
| italiano | ita-000 | sottomano |
| italiano | ita-000 | surrettiziamente |
| italiano | ita-000 | surrettizio |
| 日本語 | jpn-000 | sotto |
| ქართული | kat-000 | ნამალავად |
| ქართული | kat-000 | საიდუმლო |
| Kurmancî | kmr-000 | nehênî |
| Kurmancî | kmr-000 | nepenî |
| 한국어 | kor-000 | 남모르게 |
| 한국어 | kor-000 | 남몰래하는 |
| 한국어 | kor-000 | 뒤가 구린 |
| 한국어 | kor-000 | 몰래 |
| 한국어 | kor-000 | 부정하게 |
| 한국어 | kor-000 | 비밀히 한 |
| 한국어 | kor-000 | 살그머니 |
| 한국어 | kor-000 | 소리를 내지 않고 |
| 한국어 | kor-000 | 스파이 활동의 |
| 한국어 | kor-000 | 스파이물의 |
| 한국어 | kor-000 | 슬쩍 |
| 한국어 | kor-000 | 첩보 활동 |
| latine | lat-000 | clam |
| latine | lat-000 | clandestinus |
| latine | lat-000 | clandestīnus |
| latine | lat-000 | latenter |
| latine | lat-000 | occulte |
| lietuvių | lit-000 | slaptomis |
| Nāhuatlahtōlli | nci-000 | mixtitlan ayauhtitlan |
| Nederlands | nld-000 | besmuikt |
| Nederlands | nld-000 | clandestien |
| Nederlands | nld-000 | geheim |
| Nederlands | nld-000 | geniepig |
| Nederlands | nld-000 | gluiperig |
| Nederlands | nld-000 | klandestien |
| occitan | oci-000 | clandestin |
| فارسی | pes-000 | پنهانی |
| polski | pol-000 | konspiracyjny |
| polski | pol-000 | pokątny |
| polski | pol-000 | sekretny |
| português | por-000 | clandestino |
| português | por-000 | disfarçadamente |
| português | por-000 | escondido |
| română | ron-000 | ascuns |
| română | ron-000 | clandestin |
| română | ron-000 | ocult |
| română | ron-000 | secret |
| română | ron-000 | sub acoperire |
| русский | rus-000 | исподтишка |
| русский | rus-000 | под шумок |
| русский | rus-000 | потихоньку |
| русский | rus-000 | секретный |
| русский | rus-000 | тайко́м |
| русский | rus-000 | тайно-тайно |
| slovenčina | slk-000 | pokútny |
| slovenčina | slk-000 | skrývaný |
| slovenčina | slk-000 | utajovaný |
| slovenščina | slv-000 | skriven |
| Soomaaliga | som-000 | sir |
| español | spa-000 | a hurtadillas |
| español | spa-000 | clandestina |
| español | spa-000 | clandestino |
| español | spa-000 | en secreto |
| español | spa-000 | secretamente |
| español | spa-000 | subrepticiamente |
| srpski | srp-001 | krišom |
| srpski | srp-001 | tajom |
| svenska | swe-000 | hemlig |
| svenska | swe-000 | i mjugg |
| svenska | swe-000 | i smyg |
| svenska | swe-000 | smyg- |
| 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 | gizli |
| Türkçe | tur-000 | gizli kapaklı |
| Türkçe | tur-000 | gizli olarak |
| Türkçe | tur-000 | gizli yapılan |
| Türkçe | tur-000 | gizlice |
| Türkçe | tur-000 | kaçamaklı |
| Türkçe | tur-000 | macera |
| Türkçe | tur-000 | polisiye |
| Türkçe | tur-000 | sinsice |
| Türkçe | tur-000 | çok gizli |
| 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 |