Words Containing FF and Ending in M

Making a list of words with FF that end in M? Sounds fun. Also sounds pretty specific. A list like that could go a long way, we're sure. This complete word list is tailored to your search parameters, whether they are words with FF or words that end in M. Or both, obviously.

14 letter words1 Word
indifferentism
13 letter words2 Words
diffractogram
suffragettism
12 letter words1 Word
diffusionism
11 letter words2 Words
officialdom
officialism
10 letter words5 Words
caffeinism
griffinism
ruffianism
sheriffdom
suffragism
9 letter words6 Words
cofferdam
disaffirm
dufferdom
dufferism
effluvium
staffroom
8 letter words2 Words
caffeism
reaffirm
7 letter words2 Words
difform
offscum
6 letter words1 Word
affirm