The word Nibled is misspelled against Nibbled, which is past tense of "Nibble"
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Nibbled has double "bb" is mispronounced as "b"
Remember double 'BB' in between the strings Ni & led which should not be misspelled with single 'B'
Wrong Spelling:  Ni-b-led 
Correct Spelling:  Ni-bb-led 
Find more wrongly spelled words of Nibbled to spell it well.