| English | eng-000 |
| covertly | |
| العربية | arb-000 | بسرية |
| العربية | arb-000 | خفي |
| العربية | arb-000 | سرا |
| Universal Networking Language | art-253 | covertly |
| বাংলা | ben-000 | ̃ভাবে |
| čeština | ces-000 | kradmo |
| čeština | ces-000 | skrytě |
| čeština | ces-000 | tajně |
| 普通话 | cmn-000 | 偷偷摸摸地 |
| 國語 | cmn-001 | 偷偷摸摸 |
| 國語 | cmn-001 | 偷偷摸摸地 |
| Deutsch | deu-000 | heimlich |
| Deutsch | deu-000 | heimliche |
| eesti | ekk-000 | salaja |
| eesti | ekk-000 | varjatult |
| English | eng-000 | backstage |
| English | eng-000 | clandestinely |
| English | eng-000 | confidentially |
| English | eng-000 | furtively |
| English | eng-000 | hide |
| English | eng-000 | in disguise |
| English | eng-000 | in secret |
| English | eng-000 | on the sly |
| English | eng-000 | quietly |
| English | eng-000 | secretively |
| English | eng-000 | secretly |
| English | eng-000 | slyly |
| English | eng-000 | sneakily |
| English | eng-000 | sneakingly |
| English | eng-000 | sneaky |
| English | eng-000 | stealthily |
| English | eng-000 | sub rosa |
| English | eng-000 | surreptitious |
| Esperanto | epo-000 | sekrete |
| suomi | fin-000 | salaa |
| suomi | fin-000 | vaivihkaa |
| français | fra-000 | couvertement |
| français | fra-000 | secrètement |
| français | fra-000 | sournoise |
| Gutiska razda | got-002 | analaugniba |
| Gutiska razda | got-002 | in fulhsnja |
| Gutiska razda | got-002 | þiubjo |
| हिन्दी | hin-000 | चुपकेसे |
| हिन्दी | hin-000 | चोरी-चोरी |
| hrvatski | hrv-000 | oprezno |
| hrvatski | hrv-000 | prikriven |
| hrvatski | hrv-000 | tajan |
| hrvatski | hrv-000 | udata |
| magyar | hun-000 | lopva |
| magyar | hun-000 | titkon |
| magyar | hun-000 | titokban |
| italiano | ita-000 | copertamente |
| italiano | ita-000 | velatamente |
| 日本語 | jpn-000 | こっそり |
| 日本語 | jpn-000 | こっそりと |
| 日本語 | jpn-000 | ひそかに |
| 日本語 | jpn-000 | コッソリ |
| 日本語 | jpn-000 | 内内で |
| 日本語 | jpn-000 | 内密に |
| 日本語 | jpn-000 | 目をかすめて |
| 日本語 | jpn-000 | 秘かに |
| 日本語 | jpn-000 | 秘密に |
| 日本語 | jpn-000 | 隠れて |
| にほんご | jpn-002 | うちうちで |
| にほんご | jpn-002 | こっそり |
| にほんご | jpn-002 | ひそかに |
| にほんご | jpn-002 | ひみつに |
| にほんご | jpn-002 | めをかすめて |
| にほんご | jpn-002 | コッソリ |
| 한국어 | kor-000 | 슬쩍 |
| олык марий | mhr-000 | шиждымын |
| manju gisun | mnc-000 | jendu |
| Tâi-gí | nan-003 | bih-bih-chhih-chhih |
| Nederlands | nld-000 | clandestien |
| polski | pol-000 | skrycie |
| русский | rus-000 | исподтишка |
| русский | rus-000 | секретно |
| русский | rus-000 | скрыто |
| русский | rus-000 | тайно |
| Kiswahili | swh-000 | kisiri |
| తెలుగు | tel-000 | ప్రచ్ఛన్నంగా |
| ภาษาไทย | tha-000 | อย่างซ่อนเร้น |
| Türkçe | tur-000 | gizliden gizliye |
| Türkçe | tur-000 | içten içe |
| Türkçe | tur-000 | sinsice |
| tiếng Việt | vie-000 | lén lút |
| tiếng Việt | vie-000 | ngầm |
| ייִדיש | ydd-000 | בגנבֿה |
| yidish | ydd-001 | bgneyve |