Aegilops triuncalis vs goat grass

Aegilops triuncalis and goat grass both are nouns.

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

As nouns, Aegilops triuncalis and goat grass are synonyms defined as:

Aegilops triuncalis and goat grass: European grass naturalized as a weed in North America; sharp-pointed seeds cause injury when eaten by livestock

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