nutritious vs nutrition

nutritious is not a noun while nutrition is a noun.

Word	Noun	Adjective	Verb	Adverb
nutritious	No	Yes	No	No
nutrition	Yes	No	No	No

nutritious (noun)	nutrition (noun)
	the scientific study of food and drink (especially in humans)
	a source of materials to nourish the body
	(physiology) the organic process of nourishing or being nourished; the processes by which an organism assimilates food and uses it for growth and maintenance

nutritious (adjective)	nutrition (adjective)
of or providing nourishment