| fieberfrei | afebrile |
| fehlerfrei | faultless flawless accurate perfect |
| steuerfrei | tax-exempt tax-free taxless |
| Fieberkraut | feverfew |
| fieberlos | afebrile |
| Fieber | fever |
| fieberhaft | feverish |
| fiebern | have a fever |
| Kieberer | pig |
| Liebelei | fling -gate |
| Weberei | weaving |
| knitterfrei | crease-resistant wrinkle-free |
| zuckerfrei | sugar-free |
| Feuer frei! | fire at will |
| faltenfrei | wrinkle-free |
| fettfrei | fat-free |
| werbefrei | ad-free advertising-free commercial-free |
| Fliegerei | aviation |
| Fingerbreit | finger breadth fingerbreadth fingersbreadth finger’s breadth finger’s-breadth inch |
| fingerbreit | finger finger breadth finger-wide fingerbreadth fingersbreadth finger’s breadth |