| radine | cheapskate |
| radinerie | stinginess |
| radines | cheeseparing |
| radins | cheeseparing |
| radio | X-ray |
| Radio activite | Radioactive decay |
| Radio activité | Radioactive decay |
| Radio AM | AM broadcasting |
| Radio astrometrie | Radio astrometry |
| Radio Bremen | Radio Bremen |
| Radio Budapest | Magyar Rádió |
| Radio Chine Internationale | China Radio International |
| Radio Days | Radio Days |
| Radio Disney | Radio Disney |
| Radio e Televisiun Rumantscha | Radio Television Rumantscha |
| Radio Echo de Moscou | Echo of Moscow |
| Radio FM | FM broadcasting |
| Radio France internationale | Radio France Internationale |
| Radio Free Europe | Radio Free Europe |
| Radio Free Roscoe | Radio Free Roscoe |
| Radio galaxie geante | Giant radio galaxies |
| Radio heliographe | Radioheliographs |
| Radio interferometre | Radio interferometers |
| Radio interferometrie | Radio interferometry |
| Radio logicielle | Software-defined radio |
| Radio Maryja | Radio Maryja |
| Radio Monte-Carlo | Radio Monte Carlo |
| Radio nationale bg | Bulgarian National Radio |
| Radio Nederland Wereldomroep | Radio Netherlands Worldwide |
| Radio numérique | Digital radio |
| Radio Prague | Radio Prague |
| Radio pulsar | Radio pulsar |
| Radio Rumantsch | Radio Television Rumantscha |
| Radio Slovaquie Internationale | Radio Slovakia International |
| Radio source | Radio sources |
| Radio spectrographe | Radio spectrograph |
| Radio spectrometre | Radio spectrometers |
| Radio spectroscopie | Radio spectroscopy |
| Radio Telefís Éireann | Radio Telefís Éireann |
| Radio telescope | Radio telescopes |
| Radio Televisión Española | RTVE |
| Radio Télévision de Serbie | Radio Television of Serbia |
| Radio Télévision du Portugal | Rádio e Televisão de Portugal |
| Radio Télévision Libre des Mille Collines | Radio Télévision Libre des Mille Collines |
| Radio Vatican | Vatican Radio |
| Radio Yerevan | Radio Yerevan |
| Radio-identification | Radio-frequency identification |
| Radio-journal | News broadcast |
| radio-taxi | radiotelephone |
| Radio-Télévision belge de la Communauté française | RTBF |
| Radio-télévisé | Broadcast and televised |
| radioactif | radioactive |
| Radioactive Man | Radioactive Man |
| Radioactivity | Radio-Activity |
| radioactivité | radioactivity |
| radioactivité alpha | alpha radiation |
| radioactivité naturelle | natural radioactivity |
| Radioactivité β | Beta decay |
| Radioamateur | Radio |
| Radiobalisage | Radio beacon navigation |
