Some five and six letter words with the fifth letter F are:
flying
The six-letter word you can form with the letters O, S, A, C, I, and F is "fiasco."
I think its Failure
FaroffF-Cleft
Fabric, fairly, floral and fourth are 6 letter words. Other 6 letter words include raffle, roofed, roofer and ruffle.
ConFusEd...
engulf
Yes
spliff
forsho
misfit
freeing, freedom