teff vs teff grass

teff and teff grass both are nouns.

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

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

teff and teff grass: 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 include Eragrostic abyssinica, Eragrostis tef.

teff (noun)	teff grass (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