diatonic vs music

diatonic is not a noun while music is a noun.

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

diatonic (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

diatonic (adjective)	music (adjective)
based on the standard major or minor scales consisting of 5 tones and 2 semitones without modulation by accidentals
based on or using the five tones and two semitones of the major or minor scales of western music