cheatgrass vs downy chess

cheatgrass and downy chess both are nouns.

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

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

cheatgrass and downy chess: 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, drooping brome.

cheatgrass (noun)	downy chess (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