| Federflur | feather track pteryla |
| Federzug | brace |
| Federgras | feathergrass |
| Federhalter | pen |
| Federkiel | quill |
| Federspule | barrel |
| Federung | suspension |
| Federwerk | clockwork |
| Fedorahut | 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 |
| Federkleid | plumage |
| Federwild | wing game winged game |
| federn | feather cushion spring |
| Fledermaus | bat |
| Lederhaut | corium dermis derma sclera |
| Feiernder | celebrant |
| föderal | federal |