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