N
nagging and squabbling
nameless and obscure
narrow and timorous
natural and spontaneous
nauseous and disgusting
neatness and propriety
necessarily and essentially
needs and demands
nefarious and malevolent
negations and contradictions
neglect and evade
negotiate and bargain
nerve and fiber
neutral and colorless
nicety and precision
nimble and airy
noble and powerful
nodding and blinking
noisy and scurrilous [scurrilous = vulgar, coarse, abusive language]
nonsense and absurdity
nooks and corners
notable and conspicuous
noted and distinguished
noteworthy and intelligible
notoriety and prominence
nourish and foster
novelty and freshness
novice and ignoramus
nucleus and beginning
nugatory and ineffectual [nugatory = no importance; trifling]
nullify and destroy
number and variety
numerous and important