The initial idioms of the letter N

nickel and dime someone	nickel and dime someone to death
nickel-and-dime	nick
nifty	nigga
nigger	nigger in the woodpile
niggle about	niggle
might nigh	night after night
night on the town	night owl
night person	night
nighter	the nightmare-case scenario
nights	NIMBY
nimrod	nine
nine day wonder	nine days' wonder
nine lives	nine tailors make a man
nine times out of ten	ninepence
nineteen to the dozen	nineteenth hole