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