freshen fresher freshman freshwater freshwoman fret fretful friar fricative friction friday fridge fried friend friendly friendship fries frieze frigate fright frighten frightened fringe Frisbee™ frisk frisky frisson frivolous frizz frizzy frock frog frogman frolic frolicsome from front front-page frontage frontier frontispiece frontline frontman frontwoman frost frostbite frosty froth frown froze frozen frugal frugality fruit fruitful fruition fruitless frumpy frustrate frustrated frustrating frustration fry fuchsia fudge fuel fuel-efficient fugitive fugue fulfil fulfilled fulfilling fulfilment full full-page full-term full-time fully fume fumes fun function functionality fund fundamental fundamentalism fundamentalist funding fundraise fundraiser fundraising funds funeral fungus funicular funk funky funnel funny fur