belly dancing vs choreography

belly dancing and choreography both are nouns.

Word	Noun	Adjective	Verb	Adverb
belly dancing	Yes	No	No	No
choreography	Yes	No	No	No

As nouns, choreography is a hypernym of belly dancing; that is, choreography is a word with a broader meaning than belly dancing:

belly dancing: a Middle Eastern dance in which the dancer makes sensuous movements of the hips and abdomen
choreography: a show involving artistic dancing

Other hypernyms of belly dancing include stage dancing.

belly dancing (noun)	choreography (noun)
a Middle Eastern dance in which the dancer makes sensuous movements of the hips and abdomen	a show involving artistic dancing
	the representation of dancing by symbols as music is represented by notes
	a notation used by choreographers