dyeweed vs greenweed

dyeweed and greenweed both are nouns.

Word	Noun	Adjective	Verb	Adverb
dyeweed	Yes	No	No	No
greenweed	Yes	No	No	No

As nouns, dyeweed and greenweed are synonyms defined as:

dyeweed and greenweed: small Eurasian shrub having clusters of yellow flowers that yield a dye; common as a weed in Britain and the United States; sometimes grown as an ornamental

Other synonyms of dyeweed include dyer's-broom, dyer's greenweed, Genista tinctoria, whin, woadwaxen, woodwaxen.

dyeweed (noun)	greenweed (noun)
small Eurasian shrub having clusters of yellow flowers that yield a dye; common as a weed in Britain and the United States; sometimes grown as an ornamental	small Eurasian shrub having clusters of yellow flowers that yield a dye; common as a weed in Britain and the United States; sometimes grown as an ornamental