genius vs intellect

genius and intellect both are nouns.

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

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

Other hypernyms of genius include intellectual.

genius (noun)	intellect (noun)
exceptional creative ability	the capacity for rational thought or inference or discrimination
a natural talent	knowledge and intellectual ability
unusual mental ability	a person who uses the mind creatively
someone who has exceptional intellectual ability and originality
someone who is dazzlingly skilled in any field