rose acacia vs Robinia hispida

rose acacia and Robinia hispida both are nouns.

Word	Noun	Adjective	Verb	Adverb
rose acacia	Yes	No	No	No
Robinia hispida	Yes	No	No	No

As nouns, rose acacia and Robinia hispida are synonyms defined as:

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

Other synonyms of rose acacia include bristly locust, moss locust.

rose acacia (noun)	Robinia hispida (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