visionary vs intellect

visionary and intellect both are nouns.

Word	Noun	Adjective	Verb	Adverb
visionary	Yes	Yes	No	No
intellect	Yes	No	No	No

As nouns, intellect is a hypernym of visionary; that is, intellect is a word with a broader meaning than visionary:

Other hypernyms of visionary include intellectual.

visionary (noun)	intellect (noun)
a person with unusual powers of foresight	the capacity for rational thought or inference or discrimination
a person given to fanciful speculations and enthusiasms with little regard for what is actually possible	knowledge and intellectual ability
	a person who uses the mind creatively

visionary (adjective)	intellect (adjective)
not practical or realizable; speculative