wild madder vs Galium mollugo

wild madder and Galium mollugo both are nouns.

Word	Noun	Adjective	Verb	Adverb
wild madder	Yes	No	No	No
Galium mollugo	Yes	No	No	No

As nouns, wild madder and Galium mollugo are synonyms defined as:

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

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

wild madder (noun)	Galium mollugo (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