intellectual vs intellect

intellectual and intellect both are nouns.

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

As nouns, intellectual and intellect are synonyms defined as:

intellectual (noun)	intellect (noun)
a person who uses the mind creatively	the capacity for rational thought or inference or discrimination
	knowledge and intellectual ability
	a person who uses the mind creatively

intellectual (adjective)	intellect (adjective)
appealing to or using the intellect
involving intelligence rather than emotions or instinct
of or associated with or requiring the use of the mind