Narc/o
Numbness or stupor
Nar/I
Nostril
Nas/I or nas/o
Nose
Nat/I
Birth
Natr/o
Sodium
Nausea/o
Feeling sick to the stomach
Necr/o
Death
-necrosis
Death of tissue
Ne/o
New
Neo-
New
Nephr/o
Kidney
Nephra-
Kidney
Nerv/o
Nerve
Neu-
Nerves
Neur/I or neur/o
Nerve
Neutr/o
Neither or neutral
Nigr/o
Black
Niter-
Nitrogen
Ntro-
Nitrogen
Noct/I
Night
Nod/o
Knot or swelling
Nodul/o
Little knot
Nom/o
Control
Non-
No