Inefervescible or Ineffervescible: How To spell?
The word Inefervescible is misspelled against Ineffervescible, an adjective meaning "Not capable or susceptible of effervescence."
Ineffervescible has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings Ine & ervescible which should not be misspelled with single 'F'
Wrong Spelling:  Ine-f-ervescible  Correct Spelling:  Ine-ff-ervescible 
Find more wrongly spelled words of Ineffervescible to spell it well.