The word Nibed is misspelled against Nibbed, an adjective meaning "Having a nib or point."
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Nibbed has double "bb" is mispronounced as "b"
Remember double 'BB' in between the strings Ni & ed which should not be misspelled with single 'B'
Wrong Spelling:  Ni-b-ed 
Correct Spelling:  Ni-bb-ed 
Find more wrongly spelled words of Nibbed to spell it well.