evergreen grass vs false oat

evergreen grass and false oat both are nouns.

Word	Noun	Adjective	Verb	Adverb
evergreen grass	Yes	No	No	No
false oat	Yes	No	No	No

As nouns, evergreen grass and false oat are synonyms defined as:

evergreen grass and false oat: coarse perennial Eurasian grass resembling oat; found on roadside verges and rough grassland and in hay meadows; introduced in North America for forage

Other synonyms of evergreen grass include Arrhenatherum elatius, French rye, tall meadow grass, tall oat grass.

evergreen grass (noun)	false oat (noun)
coarse perennial Eurasian grass resembling oat; found on roadside verges and rough grassland and in hay meadows; introduced in North America for forage	coarse perennial Eurasian grass resembling oat; found on roadside verges and rough grassland and in hay meadows; introduced in North America for forage