Nibler or Nibbler: How To spell?
The word Nibler is misspelled against Nibbler, a noun meaning "One who, or that which, nibbles."
Nibbler has double "bb" is mispronounced as "b"Remember double 'BB' in between the strings Ni & ler which should not be misspelled with single 'B'
Wrong Spelling:  Ni-b-ler  Correct Spelling:  Ni-bb-ler 
Find more wrongly spelled words of Nibbler to spell it well.