Ninies or Ninnies: How To spell?
The word Ninies is misspelled against Ninnies, which is plural of "Ninny"
Ninnies has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings ni & ies which should not be misspelled with single 'N'
Wrong Spelling:  ni-n-ies  Correct Spelling:  ni-nn-ies 
Find more wrongly spelled words of Ninnies to spell it well.