| English | eng-000 |
| geothermal heat | |
| Deutsch | deu-000 | Erdwärme |
| English | eng-000 | geothermal energy |
| English | eng-000 | geothermy |
| français | fra-000 | géothermie |
| íslenska | isl-000 | jarðhiti |
| italiano | ita-000 | geotermia |
| Nederlands | nld-000 | bodemwarmte |
| polski | pol-000 | ciepło Ziemi |
| russkij | rus-001 | tjeplota Sjemli |
| slovenščina | slv-000 | zemljina toplota |
| español | spa-000 | geotermia |
| svenska | swe-000 | jordvärme |