Inefervescibility or Ineffervescibility: How To spell?
The word Inefervescibility is misspelled against Ineffervescibility, a noun meaning "The quality of being ineffervescible."
Ineffervescibility has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings Ine & ervescibility which should not be misspelled with single 'F'
Wrong Spelling:  Ine-f-ervescibility  Correct Spelling:  Ine-ff-ervescibility 
Find more wrongly spelled words of Ineffervescibility to spell it well.