| Esperanto | epo-000 |
| subgrunda | |
| asturianu | ast-000 | soterrañu |
| brezhoneg | bre-000 | dindandouar |
| 普通话 | cmn-000 | 地下 |
| 國語 | cmn-001 | 地下 |
| English | eng-000 | belowground |
| English | eng-000 | speluncar |
| English | eng-000 | underground |
| Esperanto | epo-000 | subtera |
| suomi | fin-000 | underground |
| français | fra-000 | sous terre |
| français | fra-000 | souterraine |
| français | fra-000 | underground |
| galego | glg-000 | de vangarda |
| galego | glg-000 | underground |
| Srpskohrvatski | hbs-001 | podzemno |
| Srpskohrvatski | hbs-001 | potajno |
| Srpskohrvatski | hbs-001 | prikriveno |
| italiano | ita-000 | ipogèo |
| italiano | ita-000 | sotterranea |
| македонски | mkd-000 | подземен |
| Nederlands | nld-000 | onderaards |
| português | por-000 | subterrânea |
| русский | rus-000 | подземный |
| slovenčina | slk-000 | protestný |
| українська | ukr-000 | підземний |
| українська | ukr-000 | підпільний |