| formidabel | formidable |
| formieren | deploy |
| Formel | formula |
| Formmangel | lack of form |
| formal | formal |
| Freigabe | clearance |
| abominabel | abominable atrocious horrible |
| permeabel | permeable |
| permutabel | permutable |
| portabel | portable |
| variabel | variable |
| veritabel | veritable |
| Formalie | formality |
| Formalin | formalin |
| Formen | molding |
| formen | form shape model sculpt sculpture |
| Formkasten | flask |
| Formosa | Formosa |
| Formsand | fettle |
| Fortblasen | puffery |
| fortblasen | blow |