| Radiotelevisione svizzera di lingua italiana | Radiotelevisione Svizzera di lingua Italiana |
| Radiotelevisión Andaluza | Radiotelevisión Andaluza |
| radiothérapie | radiotherapy |
| Radiotélescope | Radio telescope |
| Radiotélescope de Dwingeloo | Dwingeloo Radio Observatory |
| radiotélégramme | aerogramme |
| radiotéléphone | radiotelephone |
| Radiotéléphonie | Radio-telephony |
| Radiotélétype | Radioteletype |
| Radioélectricité | Radio |
| radioélément | radioelement |
| radis | radish |
| radis blanc | daikon |
| radis chinois | daikon |
| radis d'hiver | daikon |
| radis japonais | daikon |
| radis noir | winter radish |
| Radislav Krstić | Radislav Krstić |
| radium | radium |
| Radiumhospitalet | Radiumhospitalet |
| Radivoj Korać | Radivoj Korać |
| Radičević | Radičević |
| Radmila Hrustanović | Radmila Hrustanović |
| Radmila Sekerinska | Radmila Šekerinska |
| Radnorshire | Radnorshire |
| Radojevo | Radojevo |
| Radola Gajda | Radola Gajda |
| Radolfzell | Radolfzell |
| Radomir Antić | Radomir Antić |
| Radomir Putnik | Radomir Putnik |
| Radomsko | Radomsko |
| radon | radon |
| Radoslav Kováč | Radoslav Kováč |
| Radoslav Nesterović | Rasho Nesterovič |
| Radoslav Nesterovič | Rasho Nesterovič |
| Radoslav Zdravkov | Radoslav Zdravkov |
| Radoslaw Matusiak | Radosław Matusiak |
| Radoslaw Sobolewski | Radosław Sobolewski |
| Radosław Sikorski | Radosław Sikorski |
| radotant | jabbering |
| radoter | drivel |
| Radoucissement | Milder spell |
| Radovan Karadžić | Radovan Karadžić |
| Radu Ier | Radu I of Wallachia |
| Radu IV cel Mare | Radu cel Mare |
| Radu IX Mihnea | Radu Mihnea |
| Radu Mihaileanu | Radu Mihăileanu |
| Radu VII Paisie | Radu Paisie |
| Radu XII Leon | Radu Leon |
| Raducz | Raducz |
