stage dancing vs terpsichore

stage dancing and terpsichore both are nouns.

Word	Noun	Adjective	Verb	Adverb
stage dancing	Yes	No	No	No
terpsichore	Yes	No	No	No

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

stage dancing: a show involving artistic dancing
terpsichore: taking a series of rhythmical steps (and movements) in time to music

Other hypernyms of stage dancing include dance, dancing, saltation.

stage dancing (noun)	terpsichore (noun)
a show involving artistic dancing	taking a series of rhythmical steps (and movements) in time to music