| Vortspeco | nekonata parolparto |
|---|
| Nominativo | radiumo |
|---|---|
| Akuzativo | radiumon |
| angla | radium |
|---|---|
| franca | radium |
| germana | Radium |
| greka | ράδιο |
| hispana | radium; radio |
| islanda | radín; radíum |
| kataluna | radi |
| nederlanda | radium |
| portugala | rádio |
| saterlanda frizona | Radium |
| surinama | radimi |
| turka | radyum |