Unit19
fair fairly fairy faith faithful fake fall false fame familiar family famine famous fan fancy fantastic fantasy far fare farewell farm farmer farther fascinate fashion fashionable fast fasten fat fatal fate father fatigue fault faulty favor favorable favorite fax fear fearful feasible feast feat feather feature February federal federation fee feeble feed feedback feel feeling fell fellow fellowship female feminine fence ferry fertile fertilizer festival fetch feudal fever few fiber fiction field fierce fifteen fifty fight figure file fill film filter final finally finance financial find finding fine finger finish finite fire fireman fireplace firm first fish fisherman fist fit fitting five fix fixture
Unit20
flag flame flap flare flash flat flatter flavor flaw flee fleet flesh flexible flight fling float flock flood floor flour flourish flow flower flu fluctuate fluent fluid flush fly foam focus fog fold folk follow following fond food fool foolish foot football footstep for forbid force fore forecast forehead foreign foreigner foremost foresee forest forever forge forget forgive fork form formal format formation former formidable formula formulate forth forthcoming fortnight fortunate fortune forty forum forward fossil foster foul found foundation fountain four fourteen fox fraction fracture fragile fragment fragrant frame framework frank fraud free freedom freeze freight frequency
