| Regenwolke | rain cloud |
| Regenmoore | raised bog |
| Regenwald | rain forest rainforest |
| Regenmoor | bogland |
| Regenrohr | drainpipe |
| Regelwerk | legal framework |
| Regenblase | rain bubble |
| Regenbogen | rainbow |
| Regenfall | rainfall |
| Regenmonat | Pluviôse |
| Regenrinne | gutter |
| Regenwasser | rainwater |
| Regenwetter | rainy weather |
| Regenwurm | earthworm worm |
| Gegenpol | antipole |
| Gegenwort | antonym |
| Riesenwelle | rogue wave |
| Haufenwolke | cumulus |
| Rauchwolke | plume |
| Rechnerwolke | cloud computing |