| furibard | hopping mad |
| furibond | furious |
| furie | scold |
| furieusement | furiously |
| furieux | mad |
| Furipteridae | Furipteridae |
| furlong | furlong |
| Furmint | Furmint |
| Furna | Furna |
| Furnes | Veurne |
| Furocoumarine | Psoralen |
| furoncle | boil |
| Furoshiki | Furoshiki |
| Furough Farrokhzad | Forough Farrokhzad |
| Furrukhsiyar | Farrukhsiyar |
| Furry | Furry fandom |
| fursona | fursona |
| fursuit | fursuit |
| Furth im Wald | Furth im Wald |
| furtif | sneaky |
| furtivement | furtively |
| furtivité | stealth |
| Furtwangen im Schwarzwald | Furtwangen im Schwarzwald |
| Fusafungine | Fusafungine |
| Fusajiro Yamauchi | Fusajiro Yamauchi |
| Fusarium | Fusarium |
| fuseau | spindle |
| Fuseau de ski | Stretch ski pants |
| fuseau horaire | time zone |
| Fuseau mitotique | Spindle apparatus |
| fuseau sphérique | spherical lune |
| fuselage | airframe |
