bristly locust vs moss locust

bristly locust and moss locust both are nouns.

Word	Noun	Adjective	Verb	Adverb
bristly locust	Yes	No	No	No
moss locust	Yes	No	No	No

As nouns, bristly locust and moss locust are synonyms defined as:

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

Other synonyms of bristly locust include Robinia hispida, rose acacia.

bristly locust (noun)	moss locust (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