nanometer, nanosecond, nanotechnology, nanogram, nanoparticle, nanosheets

necrolatry, necrology, necrophagous, necrophilia, necrophobia, necrotomy

nephritis, nephrolithiasis, nephrology, nephron

nitrogen, nitroglycerine, nitrous

non-admission, nonage, non-aggression, non-aligned, non-appearance, non-attendance, non-combatant, non-combustible, non-commissioned, non-committal, non-communicant, non-compliance, nonconforming, nonconformist, nonconformity

nosology, nosocomial