moss locust vs rose acacia

moss locust and rose acacia both are nouns.

Word	Noun	Adjective	Verb	Adverb
moss locust	Yes	No	No	No
rose acacia	Yes	No	No	No

As nouns, moss locust and rose acacia are synonyms defined as:

moss locust and rose acacia: large shrub or small tree of the eastern United States having bristly stems and large clusters of pink flowers

Other synonyms of moss locust include bristly locust, Robinia hispida.

moss locust (noun)	rose acacia (noun)
large shrub or small tree of the eastern United States having bristly stems and large clusters of pink flowers	large shrub or small tree of the eastern United States having bristly stems and large clusters of pink flowers