intellectual nourishment vs food

intellectual nourishment and food both are nouns.

Word	Noun	Adjective	Verb	Adverb
intellectual nourishment	Yes	No	No	No
food	Yes	No	No	No

As nouns, intellectual nourishment and food are synonyms defined as:

intellectual nourishment and food: anything that provides mental stimulus for thinking

Other synonyms of intellectual nourishment include food for thought.

intellectual nourishment (noun)	food (noun)
anything that provides mental stimulus for thinking	any substance that can be metabolized by an animal to give energy and build tissue
	anything that provides mental stimulus for thinking
	any solid substance (as opposed to liquid) that is used as a source of nourishment