| Francium | francium |
| Frasnium | Frasnian |
| Cranium | cranium |
| Kranium | skull cranium |
| Franc | Frankish Belgian Luxembourgian Swiss |
| Franchise | frenchise deductible excess |
| Fränkin | Frank |
| Arancini | arancino |
| Tarantium | Tarantian |
| Toarcium | Toarcian |
| Calcium | calcium |
| Aeronium | Aeronian |
| Danium | Danian |
| Freemium | freemium |
| Pragium | Pragian |
| Skandium | scandium |
| Radium | radium |
| Scandium | scandium |
| Frankatur | franking |
| Fränkel | Frankel |