ecdysiast vs performing artist

ecdysiast and performing artist both are nouns.

Word	Noun	Adjective	Verb	Adverb
ecdysiast	Yes	No	No	No
performing artist	Yes	No	No	No

As nouns, performing artist is a hypernym of ecdysiast; that is, performing artist is a word with a broader meaning than ecdysiast:

ecdysiast: a performer who provides erotic entertainment by undressing to music
performing artist: an entertainer who performs a dramatic or musical work for an audience

Other hypernyms of ecdysiast include performer.

ecdysiast (noun)	performing artist (noun)
a performer who provides erotic entertainment by undressing to music	an entertainer who performs a dramatic or musical work for an audience