teff grass vs teff

teff grass and teff both are nouns.

Word	Noun	Adjective	Verb	Adverb
teff grass	Yes	No	No	No
teff	Yes	No	No	No

As nouns, teff grass and teff are synonyms defined as:

teff grass and teff: an African grass economically important as a cereal grass (yielding white flour of good quality) as well as for forage and hay

Other synonyms of teff grass include Eragrostic abyssinica, Eragrostis tef.

teff grass (noun)	teff (noun)
an African grass economically important as a cereal grass (yielding white flour of good quality) as well as for forage and hay	an African grass economically important as a cereal grass (yielding white flour of good quality) as well as for forage and hay