gramma grass vs grama

gramma grass and grama both are nouns.

Word	Noun	Adjective	Verb	Adverb
gramma grass	Yes	No	No	No
grama	Yes	No	No	No

As nouns, gramma grass and grama are synonyms defined as:

gramma grass and grama: pasture grass of plains of South America and western North America

Other synonyms of gramma grass include grama grass, gramma.

gramma grass (noun)	grama (noun)
pasture grass of plains of South America and western North America	pasture grass of plains of South America and western North America