sweet acacia vs mimosa bush

sweet acacia and mimosa bush both are nouns.

Word	Noun	Adjective	Verb	Adverb
sweet acacia	Yes	No	No	No
mimosa bush	Yes	No	No	No

As nouns, sweet acacia and mimosa bush are synonyms defined as:

sweet acacia and mimosa bush: tropical American thorny shrub or small tree; fragrant yellow flowers used in making perfumery

Other synonyms of sweet acacia include Acacia farnesiana, cassie, flame tree, huisache, scented wattle, sweet wattle.

sweet acacia (noun)	mimosa bush (noun)
tropical American thorny shrub or small tree; fragrant yellow flowers used in making perfumery	tropical American thorny shrub or small tree; fragrant yellow flowers used in making perfumery