oat vs plural

oat and plural both are nouns.

Word	Noun	Adjective	Verb	Adverb
oat	Yes	No	No	No
plural	Yes	Yes	No	No

oat (noun)	plural (noun)
seed of the annual grass Avena sativa (spoken of primarily in the plural as `oats')	the form of a word that is used to denote more than one
annual grass of Europe and North Africa; grains used as food and fodder (referred to primarily in the plural: `oats')

oat (adjective)	plural (adjective)
	grammatical number category referring to two or more items or units
	composed of more than one member, set, or kind