| Röntgenologe | radiologist |
| Röntgenologie | radiology |
| Röntgenologin | radiologist |
| Röntgenblick | X-ray vision |
| Röntgenröhre | X-ray tube |
| Ontologe | ontologist |
| Osteologe | osteologist |
| Röntgenium | roentgenium |
| Roentgenium | roentgenium |
| Röntgen | X-ray |
| röntgen | X-ray |
| Röntgenbild | radiograph X-ray |
| Ontologie | ontology |
| Phrenologe | phrenologist |
| Selenologe | selenologist |
| Molinologe | molinologist |
| Ethnologe | ethnologist |
| Önologe | enologist |
| Kosmetologe | cosmetologist |
| Oneirologe | oneirologist |