music vs polyphonic

music is a noun but polyphonic is not a noun.

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

music (noun)	polyphonic (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

music (adjective)	polyphonic (adjective)
	having two or more independent but harmonically related melodic parts sounding together
	of or relating to or characterized by polyphony
	having two or more phonetic values