Equidiferent or Equidifferent: How To spell?
The word Equidiferent is misspelled against Equidifferent, an adjective meaning "Having equal differences; as, the terms of arithmetical progression are equidifferent."
Equidifferent has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings Equidi & erent which should not be misspelled with single 'F'
Wrong Spelling:  Equidi-f-erent  Correct Spelling:  Equidi-ff-erent 
Check more misspelled words of Equidifferent to spell it correct.