sorrel vs chromatic

sorrel is a noun but chromatic is not a noun.

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

sorrel (noun)	chromatic (noun)
a horse of a brownish orange to light brown color
large sour-tasting arrowhead-shaped leaves used in salads and sauces
any of certain coarse weedy plants with long taproots, sometimes used as table greens or in folk medicine
any plant or flower of the genus Oxalis
East Indian sparsely prickly annual herb or perennial subshrub widely cultivated for its fleshy calyxes used in tarts and jelly and for its bast fiber

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