| regelbar | adjustable |
| regierbar | governable |
| regulär | regular |
| begehbar | walkable for pedestrians |
| Regeln | control |
| regeln | control manage regulate |
| regellos | licentious |
| Regel | rule regulation period |
| Regelbuch | rulebook |
| Regelung | closed-loop control regulation arrangement |
| Regelwerk | legal framework |
| Regentag | rainy day |
| Regler | controller |
| Kegelbahn | skittle alley |
| Kegelrad | bevel gear bevel wheel |
| legendär | legendary |
| Kugelbad | ball pit |
| Vogelbad | birdbath |
| erzielbar | recoverable |
| recycelbar | recyclable |