| Deutsch | deu-000 |
| Untergrund | |
| العربية | arb-000 | تحت الأرض |
| العربية | arb-000 | سِرِّيَّة |
| беларуская | bel-000 | фон |
| български | bul-000 | нелегалност |
| български | bul-000 | подземие |
| català | cat-000 | subsòl |
| català | cat-000 | subterrani |
| čeština | ces-000 | podloží |
| čeština | ces-000 | podzemní |
| čeština | ces-000 | podzemí |
| 普通话 | cmn-000 | 下层土 |
| 普通话 | cmn-000 | 地下 |
| 普通话 | cmn-000 | 底土 |
| 普通话 | cmn-000 | 暗中 |
| 普通话 | cmn-000 | 秘密 |
| 普通话 | cmn-000 | 非主流 |
| 國語 | cmn-001 | 下層土 |
| 國語 | cmn-001 | 地下 |
| 國語 | cmn-001 | 底土 |
| 國語 | cmn-001 | 暗中 |
| 國語 | cmn-001 | 秘密 |
| 國語 | cmn-001 | 非主流 |
| Hànyǔ | cmn-003 | di3 tu3 |
| Hànyǔ | cmn-003 | xia4 ceng2 tu3 |
| Deutsch | deu-000 | Baugrund |
| Deutsch | deu-000 | Boden |
| Deutsch | deu-000 | Erdboden |
| Deutsch | deu-000 | Erde |
| Deutsch | deu-000 | Erdreich |
| Deutsch | deu-000 | Grundierung |
| Deutsch | deu-000 | Haftgrund |
| Deutsch | deu-000 | Liegendes |
| Deutsch | deu-000 | Putzgrund |
| Deutsch | deu-000 | Substratum |
| Deutsch | deu-000 | Untergrundorganisation |
| Deutsch | deu-000 | Untergrundverhältnis |
| Deutsch | deu-000 | geheim |
| Deutsch | deu-000 | heimlich |
| Deutsch | deu-000 | untere Bodenschicht |
| Deutsch | deu-000 | unterirdisch |
| eesti | ekk-000 | lamam |
| eesti | ekk-000 | lamav kiht |
| ελληνικά | ell-000 | λαθραίος |
| ελληνικά | ell-000 | μυστικός |
| ελληνικά | ell-000 | περιθωριακός |
| ελληνικά | ell-000 | υπέδαφος |
| ελληνικά | ell-000 | υπόγειος |
| English | eng-000 | base |
| English | eng-000 | base coat |
| English | eng-000 | base material |
| English | eng-000 | basis |
| English | eng-000 | bedrock |
| English | eng-000 | clandestinity |
| English | eng-000 | footing |
| English | eng-000 | foundation |
| English | eng-000 | ground |
| English | eng-000 | metro |
| English | eng-000 | stronghold |
| English | eng-000 | sub-stratum |
| English | eng-000 | subfloor |
| English | eng-000 | subfont |
| English | eng-000 | subgrade |
| English | eng-000 | subsoil |
| English | eng-000 | substrate |
| English | eng-000 | substratum |
| English | eng-000 | subsurface |
| English | eng-000 | subterranean |
| English | eng-000 | subway |
| English | eng-000 | surface |
| English | eng-000 | undercoat |
| English | eng-000 | underfooting |
| English | eng-000 | underground |
| English | eng-000 | underground organisation |
| English | eng-000 | underground organization |
| English | eng-000 | underlying stratum |
| Esperanto | epo-000 | subaĵo |
| Esperanto | epo-000 | subtera |
| suomi | fin-000 | alla oleva kerros |
| suomi | fin-000 | aluskerros |
| suomi | fin-000 | luvattomuus |
| suomi | fin-000 | maanalainen |
| suomi | fin-000 | underground |
| français | fra-000 | clandestin |
| français | fra-000 | clandestinité |
| français | fra-000 | fond |
| français | fra-000 | sous-sol |
| français | fra-000 | souterrain |
| français | fra-000 | substratum |
| français | fra-000 | underground |
| Gàidhlig | gla-000 | fo-ùir |
| Gaeilge | gle-000 | fo-ithir |
| Gaeilge | gle-000 | gaíon |
| yn Ghaelg | glv-000 | fo-ooir |
| yn Ghaelg | glv-000 | ooir |
| Srpskohrvatski | hbs-001 | podzeman |
| Srpskohrvatski | hbs-001 | podzemno |
| Srpskohrvatski | hbs-001 | potajno |
| Srpskohrvatski | hbs-001 | prikriveno |
| magyar | hun-000 | aljzat |
| magyar | hun-000 | háttér |
| íslenska | isl-000 | neðanjarðar |
| italiano | ita-000 | base |
| italiano | ita-000 | clandestinità |
| italiano | ita-000 | clandestino |
| italiano | ita-000 | fondo |
| italiano | ita-000 | sotterraneo |
| italiano | ita-000 | sottosuolo |
| 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 | 地下組織 |
| 日本語 | jpn-000 | 地中 |
| 日本語 | jpn-000 | 地盤 |
| 日本語 | jpn-000 | 底土 |
| 日本語 | jpn-000 | 秘密 |
| Nihongo | jpn-001 | chika |
| Nihongo | jpn-001 | jiban |
| にほんご | jpn-002 | じばん |
| にほんご | jpn-002 | ちか |
| ქართული | kat-000 | მიწისქვეშა |
| lietuvių | lit-000 | pamatinis sluoksnis |
| lietuvių | lit-000 | substratas |
| Oluganda | lug-000 | wansi muttaka |
| latviešu | lvs-000 | pagulošais slānis |
| latviešu | lvs-000 | substrāts |
| македонски | mkd-000 | подземен |
| македонски | mkd-000 | потаен |
| reo Māori | mri-000 | rarowhenua |
| Nederlands | nld-000 | ondergrond |
| Nederlands | nld-000 | ondergronds |
| bokmål | nob-000 | undergrunn |
| polski | pol-000 | podziemie |
| polski | pol-000 | podziemny |
| polski | pol-000 | podłoże |
| português | por-000 | base |
| português | por-000 | clandestino |
| português | por-000 | fundamento |
| português | por-000 | fundo |
| português | por-000 | secreto |
| português | por-000 | subsolo |
| português | por-000 | subterrâneo |
| română | ron-000 | subteran |
| русский | rus-000 | андегра́унд |
| русский | rus-000 | андергра́унд |
| русский | rus-000 | грунтовка |
| русский | rus-000 | матери́к |
| русский | rus-000 | не́дра |
| русский | rus-000 | подзе́мный |
| русский | rus-000 | подземный |
| русский | rus-000 | подпо́льный |
| русский | rus-000 | подполье |
| русский | rus-000 | подпольный |
| русский | rus-000 | подпочва |
| русский | rus-000 | подстилающий слой |
| русский | rus-000 | фон |
| slovenčina | slk-000 | podklad |
| slovenčina | slk-000 | základ |
| español | spa-000 | fondo |
| español | spa-000 | subsuelo |
| español | spa-000 | subterráneo |
| Fräiske Sproake | stq-000 | Unnergruund |
| svenska | swe-000 | alv |
| svenska | swe-000 | grund |
| svenska | swe-000 | substratum |
| svenska | swe-000 | underjorden |
| svenska | swe-000 | underjordisk |
| svenska | swe-000 | underliggande skikt |
| tlhIngan Hol | tlh-000 | wutlh |
| Türkçe | tur-000 | fon |
| Türkçe | tur-000 | yeraltı |
| ייִדיש | ydd-000 | אונטערגרונט |