| Formular | form |
| formbar | malleable |
| Formalie | formality |
| Formalin | formalin |
| Formosa | Formosa |
| Formung | molding |
| Fortuna | Fortuna |
| Format | shape |
| Formel 1 | Formula One |
| Formel | formula |
| formal | formal |
| formell | prim |
| formlos | shapeless informal |
| Kartular | cartulary |
| Zirkular | circular letter |
| Okular | eyepiece ocular |
| okular | ocular |
| Portulak | purslane common purslane little hogweed pigweed pusley verdolaga |
| modular | modular |
| populär | popular |