goose grass vs Texas millet

goose grass and Texas millet both are nouns.

Word	Noun	Adjective	Verb	Adverb
goose grass	Yes	No	No	No
Texas millet	Yes	No	No	No

As nouns, goose grass and Texas millet are synonyms defined as:

Other synonyms of goose grass include Panicum Texanum.

goose grass (noun)	Texas millet (noun)
low-growing perennial having leaves silvery beneath; northern United States, Europe, Asia	annual weedy grass used for hay
annual weedy grass used for hay
coarse annual grass having fingerlike spikes of flowers; native to Old World tropics; a naturalized weed elsewhere
annual having the stem beset with curved prickles; North America and Europe and Asia