| Radsteg | bikeway |
| Radweg | bicycle path bicycle lane cycle track cycle path bike lane bikeway |
| Roadster | roadster |
| Raster | grid grid pattern raster framework |
| rasten | rest |
| Radsatz | wheelset |
| Radschm | lapidation |
| Radstand | wheelbase |
| Radkasten | wheel housing |
| Radler | cyclist shandy |
| Rädchen | small wheel |
| Ladstab | ramrod |
| Randstein | kerb |
| Erastes | erastes |
| Tasten | touch |
| tasten | grope fumble |
| rastern | grid |
| Alster | Alster |
| Aster | aster |
| Auster | oyster |