There are 14 possible options:
leaf, Golf, off, of, tariff, ruff, staff, buff, cuff, fluff, huff, puff, stuff, calf, doff, tiff, stiff
falloff, feedstuff, feoff, fief, fireproof, fixatif, flagstaff, flameproof, fluff, flyleaf, flyoff, foodstuff, foolproof, forehoof
cliff
stiff
calf
half
muff
stuff
puff
elf
poof
woof
goof
leaf
Surf
Surf
Surf
Surf
Surf
Surf
leaf
chief
off
ruff
buff
scruff
beef
deaf
reaf
dandruff
cliff
huff
puff
self
belief
Surf
Fair, fear and four are 4 letter words. They begin with f and end with r.
Some words that start and end with letter F are:fallofffireproofflagstafffluffflyleaffoodstufffoolproof
There are no 5 letter words in the English language that begin with r and end with f.
For,from,fin,fine,fantasic just,jail,jump
firefox
Faint, fault, fight, fleet, flint, flirt, frost and fruit are 5 letter words. They start with F and end with T.
Feathers is a eight letter word that starts with f and ends in s.
frisk frank flick fleck frock
cafe, fife, giraffe, life, knife, safe, wife
In American English, it is extremely rare for a plural word to end in a letter outside of "S".
flaw flew flow
leaf and I don't know the rest I'm sorry