There are thousands! Here are some options:
aardwolf
airproof
aperitif
blastoff
bodysurf
breakoff
brushoff
bumfluff
calctuff
checkoff
dandriff
dandruff
digestif
disproof
dummkopf
dyestuff
footmuff
forehoof
handcuff
kerchief
knockoff
langlauf
longleaf
meatloaf
mischief
misgraff
mooncalf
moonroof
neckbeef
niffnaff
oilproof
outbluff
overleaf
overruff
palstaff
pentroof
ratproof
riffraff
sanserif
semideaf
shinleaf
standoff
subchief
subdwarf
sunproof
themself
tipstaff
tradeoff
unbelief
werewolf
wetproof
windsurf
woodroof
woodruff
yourself
Some words that start and end with letter F are:fallofffireproofflagstafffluffflyleaffoodstufffoolproof
Some eight letter words starting with F and ending in E are:favoritefeminineflatlineflexibleforciblefracturefugitive
Some four letter words starting with S and ending with F are:selfserfsurf
Some words with FF:BaffleBluffBuffBuffaloBuffedBufferBuffetCaffCaffeineCliffCoffeeCoffinCuffCuffedCuffsDifferDoffDuffDuffelFluffFluffsFluffyGaffGriffGruffGuffHuffHuffedJiffLuffMiffMuffMuffinMuffleMufflerMufflesOffOffalOffedOfferOffsPuffPufferPuffinPuffsQuaffQuiffRaffRaffleRiffRiffedRiffleRuffRuffleScoffScruffScuffSniffSnuffSpiffStaffStiffStuffSufferSuffixTiffToffToffeeWaffleWhiff
6 letter f words ending with e:fiddlefacadefaminefeeblefoiblefelineficklefigurefinalefizzlefleecefondleforageforseefutilefreezefringefumble
Fiji and jiffy
Of and If
Some four letter words beginning with F and ending in T are: Feet Flit Fart Fact Fort Flat Frat (short for Fraternity) Feat Fret
Jessie and famous
The usual plural form for words ending in -f or -ef is to drop the f and add ves. There are exceptions to this rule where only an s is added to the end of the words.
Some words ending with the letters "gh" pronounced as "f" are: rough, tough, enough, cough, laugh.
There are no Scrabble words that end with FZ.