exotic belly dancer vs exotic dancer

exotic belly dancer and exotic dancer both are nouns.

Word	Noun	Adjective	Verb	Adverb
exotic belly dancer	Yes	No	No	No
exotic dancer	Yes	No	No	No

As nouns, exotic belly dancer and exotic dancer are synonyms defined as:

exotic belly dancer and exotic dancer: a woman who performs a solo belly dance

Other synonyms of exotic belly dancer include belly dancer.

exotic belly dancer (noun)	exotic dancer (noun)
a woman who performs a solo belly dance	a woman who performs a solo belly dance
	a performer who provides erotic entertainment by undressing to music