Disafirmance or Disaffirmance: How To spell?
The word Disafirmance is misspelled against Disaffirmance, a noun meaning "Overthrow or annulment by the decision of a superior tribunal; as, disaffirmance of judgment."
Disaffirmance has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings Disa & irmance which should not be misspelled with single 'F'
Wrong Spelling:  Disa-f-irmance  Correct Spelling:  Disa-ff-irmance 
Find more wrongly spelled words of Disaffirmance to spell it well.