The word Efervesced is misspelled against Effervesced, which is past tense of "Effervesce"
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Effervesced has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings E & ervesced which should not be misspelled with single 'F'
Wrong Spelling: E-f-ervesced
Correct Spelling: E-ff-ervesced
Explore spell check of Effervesced to spell without errors.