harmonic vs nonharmonic

harmonic is a noun but nonharmonic is not a noun.

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

harmonic (noun)	nonharmonic (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

harmonic (adjective)	nonharmonic (adjective)
of or relating to harmony as distinct from melody and rhythm	not harmonic
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