flutter

focus

fool

forage

forbear

forbid

forecast

forge

forge

forgive

form

formulate

fortify

foster

foul

found

fragment

frame

fray

freak

free-fall

freeze

fret

frighten

frolic

froth

frustrate

fulfill

fumble

function

furl

furnish

furrow

fuss

gag

gain

gallop

gape

gargle

gasp

gather

gaze

gazing

generate

germinate

giggle

glamorize

glance

glare

gleam

glide

glint

glisten

gloat