| Fieberblase | fever blister |
| Filterblase | filter bubble |
| Fieberbläschen | cold sore |
| fieberlos | afebrile |
| Fiberglas | fiberglass fibreglass |
| Fieberkraut | feverfew |
| fieberhaft | feverish |
| Giebelblume | finial |
| Weberlade | batten |
| Leberkäse | Leberkäse |
| Silberblatt | honesty light emerald |
| Fliederblüte | lilac |
| fliederblau | lilac |
| Fischblase | swim bladder |
| Regenblase | rain bubble |
| Fiebermittel | antipyretic |
| fieberfrei | afebrile |
| Fieber | fever |
| fiebern | have a fever |
| Liebesdame | prostitute |