false baby's breath vs white madder

false baby's breath and white madder both are nouns.

Word	Noun	Adjective	Verb	Adverb
false baby's breath	Yes	No	No	No
white madder	Yes	No	No	No

As nouns, false baby's breath and white madder are synonyms defined as:

false baby's breath and white madder: Eurasian herb with ample panicles of small white flowers; naturalized in North America

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

false baby's breath (noun)	white 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