wild madder vs white bedstraw

wild madder and white bedstraw both are nouns.

Word	Noun	Adjective	Verb	Adverb
wild madder	Yes	No	No	No
white bedstraw	Yes	No	No	No

As nouns, wild madder and white bedstraw are synonyms defined as:

wild madder and white bedstraw: Eurasian herb with ample panicles of small white flowers; naturalized in North America

Other synonyms of wild madder include false baby's breath, Galium mollugo, infant's-breath, white madder.

wild madder (noun)	white bedstraw (noun)
Eurasian herb with ample panicles of small white flowers; naturalized in North America	Eurasian herb with ample panicles of small white flowers; naturalized in North America