| Nederlands | nld-000 |
| ondergronds | |
| العربية | arb-000 | تحت الأرض |
| български | bul-000 | подземие |
| català | cat-000 | subterrani |
| čeština | ces-000 | podzemní |
| 普通话 | cmn-000 | 地下 |
| 普通话 | cmn-000 | 暗中 |
| 普通话 | cmn-000 | 秘密 |
| 國語 | cmn-001 | 地下 |
| 國語 | cmn-001 | 暗中 |
| 國語 | cmn-001 | 秘密 |
| Hànyǔ | cmn-003 | dì xia |
| Hànyǔ | cmn-003 | dìxià |
| Deutsch | deu-000 | Hinter… |
| Deutsch | deu-000 | Untergrund |
| Deutsch | deu-000 | Untergrund- |
| Deutsch | deu-000 | geheim |
| Deutsch | deu-000 | heimlich |
| Deutsch | deu-000 | subterran |
| Deutsch | deu-000 | unterirdisch |
| dolnoserbska reč | dsb-000 | pódzemski |
| ελληνικά | ell-000 | λαθραίος |
| ελληνικά | ell-000 | μυστικός |
| ελληνικά | ell-000 | υπόγειος |
| English | eng-000 | Erebus |
| English | eng-000 | hypogeous |
| English | eng-000 | subterranean |
| English | eng-000 | subterraneous |
| English | eng-000 | underground |
| Esperanto | epo-000 | kaŝita |
| Esperanto | epo-000 | rezista |
| Esperanto | epo-000 | subtera |
| euskara | eus-000 | lurpeko |
| suomi | fin-000 | maanalainen |
| français | fra-000 | clandestin |
| français | fra-000 | clandestine |
| français | fra-000 | sous-terrain |
| français | fra-000 | sousterrain |
| français | fra-000 | sousterraine |
| français | fra-000 | souterrain |
| galego | glg-000 | subterráneo |
| Srpskohrvatski | hbs-001 | podzeman |
| Srpskohrvatski | hbs-001 | potajno |
| Srpskohrvatski | hbs-001 | prikriveno |
| hiMxI | hin-004 | BUmigawa |
| hiMxI | hin-004 | anwarBUmika |
| hrvatski | hrv-000 | podzemni |
| hrvatski | hrv-000 | podzemnoga |
| hornjoserbšćina | hsb-000 | podzemski |
| bahasa Indonesia | ind-000 | di bawah tanah |
| íslenska | isl-000 | neðanjarðar |
| italiano | ita-000 | clandestino |
| italiano | ita-000 | sotterranea |
| italiano | ita-000 | sotterraneo |
| italiano | ita-000 | ulteriore |
| 日本語 | jpn-000 | アングラ |
| 日本語 | jpn-000 | 不法 |
| 日本語 | jpn-000 | 地下 |
| 日本語 | jpn-000 | 秘密 |
| ქართული | kat-000 | მიწისქვეშა |
| 한국어 | kor-000 | 지하의 |
| Limburgs | lim-000 | óngergrónds |
| македонски | mkd-000 | подземен |
| македонски | mkd-000 | потаен |
| reo Māori | mri-000 | rarowhenua |
| Nederlands | nld-000 | heimelijk |
| Nederlands | nld-000 | illegaal |
| Nederlands | nld-000 | onderaards |
| occitan | oci-000 | sosterranh |
| occitan | oci-000 | sotatèrra |
| فارسی | pes-000 | زيرزمين |
| polski | pol-000 | podziemny |
| português | por-000 | clandestino |
| português | por-000 | secreto |
| português | por-000 | subterrânea |
| português | por-000 | subterrâneo |
| português | por-000 | ulterior |
| română | ron-000 | subteran |
| русский | rus-000 | подзе́мный |
| русский | rus-000 | подземная |
| русский | rus-000 | подземный |
| русский | rus-000 | подпо́льный |
| русский | rus-000 | подпольная |
| русский | rus-000 | подпольный |
| russkij | rus-001 | podzémnyj |
| slovenčina | slk-000 | podzemný |
| español | spa-000 | subterránea |
| español | spa-000 | subterráneo |
| Sranantongo | srn-000 | ondrogron |
| svenska | swe-000 | underjordisk |
| ภาษาไทย | tha-000 | เกินกว่าที่จะเห็น.ลี้ลับ |
| ภาษาไทย | tha-000 | ใต้ดิน |
| Türkçe | tur-000 | gizli |
| Türkçe | tur-000 | toprak altındaki |
| Türkçe | tur-000 | yeraltı |
| українська | ukr-000 | підземелля |
| українська | ukr-000 | підземний |
| ייִדיש | ydd-000 | אונטערגרונט |