| Radiotelescopie | radiotelescopy |
| Radioteleskop | radio telescope |
| Radiotelegrafie | radiotelegraphy |
| Radiotherapie | radiotherapy |
| Telescopie | telescopy |
| Radiologie | radiology |
| Radiotechnik | radio engineering |
| Videotelefonie | videophony |
| Radiochemie | radiochemistry |
| Radiolarie | radiolarian |
| Radiologe | radiologist |
| Radiotaste | radio button |
| Radioastronomie | radio astronomy |
| Radiologin | radiologist |
| Radiosonde | radio altimeter |
| Radiowelle | radio wave radio station |
| Daktyloskopie | dactyloscopy |
| Duodenoskopie | duodenoscopy |
| Radeseuche | bejel |
| Radiographie | radiography |