| Radicchio | radicchio |
| Radiochemie | radiochemistry |
| Radmacher | wainwright |
| Radschm | lapidation |
| Hradschin | Hradčany castle district |
| Radiation | adaptive radiation |
| Radieschen | radish |
| Radio | radio |
| Rädchen | small wheel |
| Macchie | macchia |
| Pinocchio | Pinocchio |
| Macchia | brush |
| Hadschi | hadji hajji |
| Prädikation | predication |
| Radicalwort | primitive |
| Radierer | eraser |
| Radierung | etching |
| Radikale | radical |
| Radikaler | radical |
| Radiolarie | radiolarian |