| Federgras | feathergrass |
| Edelgas | noble gas inert gas |
| Fiberglas | fiberglass fibreglass |
| Zypergras | tigernut |
| Foie gras | foie gras |
| Weidelgras | ryegrass |
| Seegras | eelgrass seagrass seaweed |
| Federkiel | quill |
| Federung | suspension |
| Federweiß | French chalk |
| Federwerk | clockwork |
| Federzug | brace |
| Fedora | fedora |
| federnd | resilient |
| Feder | feather plume quill crest quill feather nib pen dip pen fountain pen spring tongue back boar bristle big game bone scut spear boar spear hairy canary |
| Federball | Battledore and shuttlecock shuttlecock |
| Federbett | eiderdown |
| Federflur | feather track pteryla |
| Federwaage | spring balance spring scale |
| Federwild | wing game winged game |