| Fidibus | spill |
| Minibus | minibus |
| Fideismus | fideism |
| Fiduz | confidence |
| Ägidius | Aegidius |
| ridikül | ridiculous |
| Taxibus | dial-a-ride |
| FIBU | financial accounting |
| Fibu | financial accounting |
| Omnibus | bus |
| Tribus | tribe |
| Limbus | Limbo |
| Nimbus | nimbus |
| Fideist | fideist |
| Fidel | fiddle vielle |
| fidel | jolly merry |
| Fidschi | Fiji Fijian |
| Idisch | Jewish |
| Jidisch | Yiddish |
| Midian | Midian |