sorrel vs oxalis

sorrel and oxalis both are nouns.

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

As nouns, sorrel and oxalis are synonyms defined as:

Other synonyms of sorrel include wood sorrel.

sorrel (noun)	oxalis (noun)
a horse of a brownish orange to light brown color	any plant or flower of the genus Oxalis
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)	oxalis (adjective)
of a light brownish color