downy chess vs downy bromegrass

downy chess and downy bromegrass both are nouns.

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

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

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

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

downy chess (noun)	downy bromegrass (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