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