| English | eng-000 |
| methane clathrate | |
| dansk | dan-000 | metanhydrat |
| Deutsch | deu-000 | Methanhydrat |
| English | eng-000 | methane hydrate |
| English | eng-000 | methane ice |
| magyar | hun-000 | metán-hidrát |
| Nederlands | nld-000 | methaan-clathraat |
| Nederlands | nld-000 | methaanhydraat |
| Nederlands | nld-000 | methaanijs |
| русский | rus-000 | гидраты природных газов |
| svenska | swe-000 | metanhydrat |