exhibitionist vs egotist

exhibitionist and egotist both are nouns.

Word	Noun	Adjective	Verb	Adverb
exhibitionist	Yes	No	No	No
egotist	Yes	No	No	No

As nouns, egotist is a hypernym of exhibitionist; that is, egotist is a word with a broader meaning than exhibitionist:

exhibitionist: someone who deliberately behaves in such a way as to attract attention
egotist: a conceited and self-centered person

Other hypernyms of exhibitionist include egoist, swellhead.

exhibitionist (noun)	egotist (noun)
someone who deliberately behaves in such a way as to attract attention	a conceited and self-centered person
someone with a compulsive desire to expose the genitals