| fiduziell | fiducial |
| finanziell | financial |
| Fidel | fiddle vielle |
| fidel | jolly merry |
| Fiduz | confidence |
| deduzibel | deducible |
| reduziert | choke |
| Minuzien | trivia |
| bilanziell | financial |
| offiziell | official officially |
| speziell | special |
| ideell | ideal ideational |
| Fideist | fideist |
| Fidjiralle | bar-winged rail |
| Fidelität | faithfulness fidelity loyalty accuracy exactness |
| Fidibus | spill |
| Reduzent | decomposer |
| Reduzierer | reducer |
| Duzen | T use |
| duzen | be on first-name terms |