intellectual nourishment vs food for thought

intellectual nourishment and food for thought both are nouns.

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

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

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

Other synonyms of intellectual nourishment include food.

intellectual nourishment (noun)	food for thought (noun)
anything that provides mental stimulus for thinking	anything that provides mental stimulus for thinking