snake dance vs ceremonial dance

snake dance and ceremonial dance both are nouns.

Word	Noun	Adjective	Verb	Adverb
snake dance	Yes	No	No	No
ceremonial dance	Yes	No	No	No

As nouns, ceremonial dance is a hypernym of snake dance; that is, ceremonial dance is a word with a broader meaning than snake dance:

snake dance: a ceremonial dance (as by the Hopi) in which snakes are handled or invoked
ceremonial dance: a dance that is part of a religious ritual

Other hypernyms of snake dance include ritual dance, ritual dancing.

snake dance (noun)	ceremonial dance (noun)
a ceremonial dance (as by the Hopi) in which snakes are handled or invoked	a dance that is part of a religious ritual
a group advancing in a single-file serpentine path