infant's-breath vs false baby's breath

infant's-breath and false baby's breath both are nouns.

Word	Noun	Adjective	Verb	Adverb
infant's-breath	Yes	No	No	No
false baby's breath	Yes	No	No	No

As nouns, infant's-breath and false baby's breath are synonyms defined as:

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

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

infant's-breath (noun)	false baby's breath (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