ballet master vs terpsichorean

ballet master and terpsichorean both are nouns.

Word	Noun	Adjective	Verb	Adverb
ballet master	Yes	No	No	No
terpsichorean	Yes	Yes	No	No

As nouns, terpsichorean is a hypernym of ballet master; that is, terpsichorean is a word with a broader meaning than ballet master:

ballet master: a man who directs and teaches and rehearses dancers for a ballet company
terpsichorean: a performer who dances professionally

Other hypernyms of ballet master include dancer, professional dancer.

ballet master (noun)	terpsichorean (noun)
a man who directs and teaches and rehearses dancers for a ballet company	a performer who dances professionally

ballet master (adjective)	terpsichorean (adjective)
	of or relating to dancing