oh cum on that's just stupidity in its simplest form
Fate, Fort, Fake, Face, Fact, Fish, Fine, File, Fall... and of course there is an old Anglo-Saxon word which many people find offensive and which you were hoping that someone would write here, grow up.
Some four letter words with the first letter f are:facefadefailfairfallfamefarmfastfearfeedfeelfeetfestfilefillfilmfinefirefirmfishfistflapflatflewflitflipflitflopfluefoalfoamfoldfolkfoodfoolfootforkformfortfourfrayfreefretfromfuelfullfumefuryfussfuzz
Four letter adjectives that begin with the letter f:fairfakefastfinefiveflatfoulfourfreefull
fuzzy
Faith
Fuji
roof, reef, riff, ruff
Some four letter words with the first letter f are:facefadefailfairfallfamefarmfastfearfeedfeelfeetfestfilefillfilmfinefirefirmfishfistflapflatflewflitflipflitflopfluefoalfoamfoldfolkfoodfoolfootforkformfortfourfrayfreefretfromfuelfullfumefuryfussfuzz
foul
freebie
flyleaf
faults
flu
Four letter adjectives that begin with the letter f:fairfakefastfinefiveflatfoulfourfreefull
fuzzy
fake
folk
facts?