goat grass vs Aegilops

goat grass and Aegilops both are nouns.

Word	Noun	Adjective	Verb	Adverb
goat grass	Yes	No	No	No
Aegilops	Yes	No	No	No

goat grass (noun)	Aegilops (noun)
European grass naturalized as a weed in North America; sharp-pointed seeds cause injury when eaten by livestock	goat grass