music vs popular

music is a noun but popular is not a noun.

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

music (noun)	popular (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)	popular (adjective)
	regarded with great favor, approval, or affection especially by the general public
	carried on by or for the people (or citizens) at large
	(of music or art) new and of general appeal (especially among young people)
	representing or appealing to or adapted for the benefit of the people at large