greenweed vs woadwaxen

greenweed and woadwaxen both are nouns.

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

As nouns, greenweed and woadwaxen are synonyms defined as:

greenweed and woadwaxen: 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 greenweed include dyer's-broom, dyer's greenweed, dyeweed, Genista tinctoria, whin, woodwaxen.

greenweed (noun)	woadwaxen (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