woadwaxen vs greenweed

woadwaxen and greenweed both are nouns.

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

As nouns, woadwaxen and greenweed are synonyms defined as:

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

woadwaxen (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