| Frasnium | Frasnian |
| Francium | francium |
| Cranium | cranium |
| Kranium | skull cranium |
| Präsidium | presidium |
| Aeronium | Aeronian |
| Danium | Danian |
| Fortunium | Fortunian |
| Samnium | Samnium |
| Hafnium | hafnium |
| Rhenium | rhenium |
| Freemium | freemium |
| Pragium | Pragian |
| Zäsium | caesium |
| Cäsium | caesium cesium |
| Hassium | hassium |
| Radium | radium |
| Frausein | womanhood |
| Fränkel | Frankel |
| Fräse | tiller milling machine |