Japanese chess vs Japanese brome

Japanese chess and Japanese brome both are nouns.

Word	Noun	Adjective	Verb	Adverb
Japanese chess	Yes	No	No	No
Japanese brome	Yes	No	No	No

As nouns, Japanese chess and Japanese brome are synonyms defined as:

Japanese chess and Japanese brome: grass of Mediterranean and temperate Asia

Other synonyms of Japanese chess include Bromus japonicus.

Japanese chess (noun)	Japanese brome (noun)
grass of Mediterranean and temperate Asia	grass of Mediterranean and temperate Asia