| Woordsoort | selfstandige naamwoord |
|---|---|
| Geslag | manlik |
| Duits | Radium |
|---|---|
| Engels | radium |
| Esperanto | radiumo |
| Frans | radium |
| Grieks | ράδιο |
| Katalaans | radi |
| Nederlands | radium |
| Portugees | rádio |
| Saterfries | Radium |
| Spaans | radium; radio |
| Sranan | radimi |
| Tagalog | radyum |
| Turks | radyum |
| Yslands | radíum; radín |