downy bromegrass vs cheatgrass

downy bromegrass and cheatgrass both are nouns.

Word	Noun	Adjective	Verb	Adverb
downy bromegrass	Yes	No	No	No
cheatgrass	Yes	No	No	No

As nouns, downy bromegrass and cheatgrass are synonyms defined as:

downy bromegrass and cheatgrass: annual or winter annual grass with softly hairy leaves of the Mediterranean

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

downy bromegrass (noun)	cheatgrass (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