The List
There are 67 7 letter words with F as the last letter. The highest scoring is JUMPOFF at 24 points in Scrabble. 28 carry three or more vowels, which makes them useful for dumping a vowel-clogged rack.
APPROOFBAILIFFBAKEOFFBEDWARFBLOWOFFBOILOFFCAITIFFCANTREFCASTOFFCOBLOAFCOOKOFFCURCHEFDEBRIEFDISLEAFDISTAFFDUSTOFFEARMUFFENDLEAFENFEOFFENGRAFFFALLOFFFIXATIFFLYLEAFHANDOFFHERSELFHIMSELFHISSELFINFEOFFJUMPOFFKICKOFFLEADOFFLIFTOFFMASTIFFMIDRIFFNONSELFONESELFOURSELFPICKOFFPLAYOFFPONTIFFPOSITIFRAKEOFFREPROOFRESTAFFRESTIFFRESTUFFSELLOFFSENDOFFSHADOOFSHEREEFSHERIFFSHOWOFFSHUTOFFSKYSURFSPINOFFSPORTIFSTOPOFFSUNROOFTAKEOFFTHEREOFTHYSELFTURNOFFWARWOLFWAVEOFFWERWOLFWHEREOFWITLOOF