nonharmonic vs harmonic

nonharmonic is not a noun while harmonic is a noun.

Word	Noun	Adjective	Verb	Adverb
nonharmonic	No	Yes	No	No
harmonic	Yes	Yes	No	No

nonharmonic (noun)	harmonic (noun)
	any of a series of musical tones whose frequencies are integral multiples of the frequency of a fundamental
	a tone that is a component of a complex sound

nonharmonic (adjective)	harmonic (adjective)
not harmonic	of or relating to harmony as distinct from melody and rhythm
	of or relating to the branch of acoustics that studies the composition of musical sounds
	of or relating to harmonics
	involving or characterized by harmony
	relating to vibrations that occur as a result of vibrations in a nearby body