Some eight letter words starting with F and ending in E are:favoritefeminineflatlineflexibleforciblefracturefugitive
friction
6 letter f words ending with e:fiddlefacadefaminefeeblefoiblefelineficklefigurefinalefizzlefleecefondleforageforseefutilefreezefringefumble
Feminist and finalist are 8 letter words. They end with the letters IST.
Some four letter words starting with S and ending with F are:selfserfsurf
Of and If
Fountain, fraction, friction, function, fourteen, fruition, forsworn, fixation...
Flounder
elf
barfbeefbiffbuffbumfchefcoifcuffdeafdoffduffgaffgoofguffgulfhalfhuffjiffleafloafmiff
Some words that start and end with letter F are:fallofffireproofflagstafffluffflyleaffoodstufffoolproof
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern I-F--F--. That is, eight letter words with 1st letter I and 3rd letter F and 6th letter F. In alphabetical order, they are: infeoffs