bay grass vs love grass

bay grass and love grass both are nouns.

Word	Noun	Adjective	Verb	Adverb
bay grass	Yes	No	No	No
love grass	Yes	No	No	No

As nouns, bay grass and love grass are synonyms defined as:

bay grass and love grass: any of various grasses of the genus Eragrostis; specially useful for forage and for the prevention of erosion

bay grass (noun)	love grass (noun)
any of various grasses of the genus Eragrostis; specially useful for forage and for the prevention of erosion	any of various grasses of the genus Eragrostis; specially useful for forage and for the prevention of erosion