cheatgrass vs drooping brome

cheatgrass and drooping brome both are nouns.

Word	Noun	Adjective	Verb	Adverb
cheatgrass	Yes	No	No	No
drooping brome	Yes	No	No	No

As nouns, cheatgrass and drooping brome are synonyms defined as:

cheatgrass and drooping brome: annual or winter annual grass with softly hairy leaves of the Mediterranean

Other synonyms of cheatgrass include Bromus tectorum, downy brome, downy bromegrass, downy cheat, downy chess.

cheatgrass (noun)	drooping brome (noun)
annual or winter annual grass with softly hairy leaves of the Mediterranean	annual or winter annual grass with softly hairy leaves of the Mediterranean