Efervescent or Effervescent: How To spell?

The word Efervescent is misspelled against Effervescent, an adjective meaning "Gently boiling or bubbling, by means of the disengagement of gas"

Effervescent has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings E & ervescent which should not be misspelled with single 'F'
Wrong Spelling:  E-f-ervescent 
Correct Spelling:  E-ff-ervescent 
Explore spell check of Effervescent to spell without errors.

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