white bedstraw vs wild madder

white bedstraw and wild madder both are nouns.

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

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

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

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

white bedstraw (noun)	wild madder (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