harmonize vs music

harmonize is not a noun while music is a noun.

Word	Noun	Adjective	Verb	Adverb
harmonize	No	No	Yes	No
music	Yes	No	No	No

harmonize (noun)	music (noun)
	musical activity (singing or whistling etc.)
	punishment for one's actions
	any agreeable (pleasing and harmonious) sounds
	(music) the sounds produced by singers or musical instruments (or reproductions of such sounds)
	an artistic form of auditory communication incorporating instrumental or vocal tones in a structured and continuous manner

harmonize (verb)	music (verb)
bring into consonance, harmony, or accord while making music or singing
bring into consonance or accord
bring (several things) into consonance or relate harmoniously
sing or play in harmony
write a harmony for
go together