The word Quized is misspelled against Quizzed, which is past tense of "Quiz"
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Quizzed has double "zz" is mispronounced as "z"
Remember double 'ZZ' in between the strings qui & ed which should not be misspelled with single 'Z'
Wrong Spelling:  qui-z-ed 
Correct Spelling:  qui-zz-ed 
Check more misspelled words of Quizzed to spell it correct.