French sorrel vs garden sorrel

French sorrel and garden sorrel both are nouns.

Word	Noun	Adjective	Verb	Adverb
French sorrel	Yes	No	No	No
garden sorrel	Yes	No	No	No

As nouns, French sorrel and garden sorrel are synonyms defined as:

French sorrel and garden sorrel: low perennial with small silvery-green ovate to hastate leaves

Other synonyms of French sorrel include Rumex scutatus.

French sorrel (noun)	garden sorrel (noun)
greens having small tart oval to pointed leaves; preferred to common sorrel for salads	European sorrel with large slightly acidic sagittate leaves grown throughout north temperate zone for salad and spring greens
low perennial with small silvery-green ovate to hastate leaves	low perennial with small silvery-green ovate to hastate leaves