silverweed vs goose-tansy

silverweed and goose-tansy both are nouns.

Word	Noun	Adjective	Verb	Adverb
silverweed	Yes	No	No	No
goose-tansy	Yes	No	No	No

As nouns, silverweed and goose-tansy are synonyms defined as:

silverweed and goose-tansy: low-growing perennial having leaves silvery beneath; northern United States, Europe, Asia

Other synonyms of silverweed include goose grass, Potentilla anserina.

silverweed (noun)	goose-tansy (noun)
any of various twining shrubs of the genus Argyreia having silvery leaves and showy purple flowers	low-growing perennial having leaves silvery beneath; northern United States, Europe, Asia
low-growing perennial having leaves silvery beneath; northern United States, Europe, Asia