| Röntgenröhre | X-ray tube |
| Röntgenologe | radiologist |
| Röntgenblick | X-ray vision |
| Röntgenium | roentgenium |
| Roentgenium | roentgenium |
| Röntgenographie | radiography |
| Röntgenologie | radiology |
| Röntgen | X-ray |
| röntgen | X-ray |
| Röntgenbild | radiograph X-ray |
| Röntgenstrahl | X-ray |
| Regenrohr | drainpipe |
| Mengenlehre | set theory theory of sets |
| Totenbahre | bier |
| Röntgenapparat | X-ray |
| Röntgenologin | radiologist |
| fronterfahren | seasoned |
| Röntgenaufnahme | radiograph roentgenogram |
| Ontogenie | ontogeny |
| Contenance | composure |