Indiferentist or Indifferentist: How To spell?
The word Indiferentist is misspelled against Indifferentist, a noun meaning "One governed by indifferentism."
Indifferentist has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings Indi & erentist which should not be misspelled with single 'F'
Wrong Spelling:  Indi-f-erentist  Correct Spelling:  Indi-ff-erentist 
Find more wrongly spelled words of Indifferentist to spell it well.