snake dance vs ritual dance

snake dance and ritual dance both are nouns.

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

As nouns, ritual dance is a hypernym of snake dance; that is, ritual 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
ritual dance: a dance that is part of a religious ritual

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

snake dance (noun)	ritual 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