creeping bentgrass vs creeping bent

creeping bentgrass and creeping bent both are nouns.

Word	Noun	Adjective	Verb	Adverb
creeping bentgrass	Yes	No	No	No
creeping bent	Yes	No	No	No

As nouns, creeping bentgrass and creeping bent are synonyms defined as:

creeping bentgrass and creeping bent: common pasture or lawn grass spread by long runners

Other synonyms of creeping bentgrass include Agrostis palustris.

creeping bentgrass (noun)	creeping bent (noun)
common pasture or lawn grass spread by long runners	common pasture or lawn grass spread by long runners