comestible vs nutrient

comestible and nutrient both are nouns.

Word	Noun	Adjective	Verb	Adverb
comestible	Yes	Yes	No	No
nutrient	Yes	Yes	No	No

As nouns, nutrient is a hypernym of comestible; that is, nutrient is a word with a broader meaning than comestible:

comestible: any substance that can be used as food
nutrient: any substance that can be metabolized by an animal to give energy and build tissue

Other hypernyms of comestible include food.

comestible (noun)	nutrient (noun)
any substance that can be used as food	any substance that can be metabolized by an animal to give energy and build tissue
	any substance (such as a chemical element or inorganic compound) that can be taken in by a green plant and used in organic synthesis

comestible (adjective)	nutrient (adjective)
suitable for use as food	of or providing nourishment