| Formenlehre | morphology |
| Wärmelehre | thermodynamics |
| Fermenter | fermenter |
| Mengenlehre | set theory theory of sets |
| Mühlenlehre | molinology |
| Ideenlehre | theory of forms |
| Foraminifere | foraminifer |
| Form annehmen | form |
| Formalie | formality |
| Formen | molding |
| formen | form shape model sculpt sculpture |
| Formverfahren | molding |
| Formwandler | shape-shifter |
| formieren | deploy |
| Forderer | demander |
| Förderer | booster conveyor furtherer |
| Forelle | trout |
| Formaldehyd | formaldehyde |
| Formel 1 | Formula One |
| Formel | formula |