The word Fizing is misspelled against Fizzing, which is present continuous of "Fizz"
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Fizzing has double "zz" is mispronounced as "z"
Remember double 'ZZ' in between the strings fi & ing which should not be misspelled with single 'Z'
Wrong Spelling: fi-z-ing
Correct Spelling: fi-zz-ing
Find more wrongly spelled words of Fizzing to spell it well.