Eragrostis tef vs teff grass

Eragrostis tef and teff grass both are nouns.

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

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

Eragrostis tef 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 Eragrostis tef include Eragrostic abyssinica, teff.

Eragrostis tef (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