Avene sterilis vs oat

Avene sterilis and oat both are nouns.

Word	Noun	Adjective	Verb	Adverb
Avene sterilis	Yes	No	No	No
oat	Yes	No	No	No

As nouns, oat is a hypernym of Avene sterilis; that is, oat is a word with a broader meaning than Avene sterilis:

Avene sterilis: Mediterranean oat held to be progenitor of modern cultivated oat
oat: annual grass of Europe and North Africa; grains used as food and fodder (referred to primarily in the plural: `oats')

Avene sterilis (noun)	oat (noun)
Mediterranean oat held to be progenitor of modern cultivated oat	seed of the annual grass Avena sativa (spoken of primarily in the plural as `oats')
	annual grass of Europe and North Africa; grains used as food and fodder (referred to primarily in the plural: `oats')