music vs unison

music and unison both are nouns.

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

music (noun)	unison (noun)
musical activity (singing or whistling etc.)	(music) two or more sounds or tones at the same pitch or in octaves
punishment for one's actions	occurring together or simultaneously
any agreeable (pleasing and harmonious) sounds	corresponding exactly
(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