fire bush vs Bassia scoparia

fire bush and Bassia scoparia both are nouns.

Word	Noun	Adjective	Verb	Adverb
fire bush	Yes	No	No	No
Bassia scoparia	Yes	No	No	No

As nouns, fire bush and Bassia scoparia are synonyms defined as:

fire bush and Bassia scoparia: densely branched Eurasian plant; foliage turns purple-red in autumn

Other synonyms of fire bush include belvedere, burning bush, fire-bush, Kochia scoparia, summer cypress.

fire bush (noun)	Bassia scoparia (noun)
densely branched Eurasian plant; foliage turns purple-red in autumn	densely branched Eurasian plant; foliage turns purple-red in autumn
evergreen South American shrub having showy trumpet-shaped orange flowers; grown as an ornamental or houseplant