F字母开头的单词或词组(第19页)：
- forecast
- foresight
- forge
- forger
- forestall
- forestry
- forgery
- forfeit
- forgo
- formality
- formation
- formidable
- formula
- forsake
- forte
- forthright
- fortify
- fortitude
- fortuitous
- forum
- forward
- fosse
- fossilize
- foster
- functionary
- fundamental
- fungi
- fungicide
- furor
- furnace
- furrow
- furtive
- fusillade
- fusion
- fuss
- fussy
- fusty
- futile
- futility
- foul
- four-poster
- founder
- fractious
- foyer