| regenerative Energie | renewable energy |
| erneuerbare Energie | renewable energy |
| regenerierend | restorative |
| Regeneration | regeneration |
| regenerativ | renewable |
| regenerieren | regenerate recover |
| regulative Regel | regulative rule |
| generative Fertigung | additive manufacturing |
| kinetische Energie | kinetic energy |
| potentielle Energie | potential energy |
| Reliefenergie | relief energy relief intensity |
| Gegenerwiderung | rejoinder |
| Degeneration | degeneration |
| degenerativ | degenerative |
| generationell | generational |
| Generationenvertrag | inter-generational contract |
| Generatorbetrieb | generator mode generator operation |
| generative Grammatik | generative grammar |
| Oberflächenenergie | interfacial energy |
| Dunkle Energie | dark energy |