pabulum vs nutrient

pabulum and nutrient both are nouns.

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

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

pabulum: 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 pabulum include food.

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

pabulum (adjective)	nutrient (adjective)
	of or providing nourishment