chromatic vs lilac

chromatic is not a noun while lilac is a noun.

Word	Noun	Adjective	Verb	Adverb
chromatic	No	Yes	No	No
lilac	Yes	Yes	No	No

chromatic (noun)	lilac (noun)
	any of various plants of the genus Syringa having large panicles of usually fragrant flowers

chromatic (adjective)	lilac (adjective)
being or having or characterized by hue	of a pale purple color
based on a scale consisting of 12 semitones
able to refract light without spectral color separation