dancing-master vs terpsichorean

dancing-master and terpsichorean both are nouns.

Word	Noun	Adjective	Verb	Adverb
dancing-master	Yes	No	No	No
terpsichorean	Yes	Yes	No	No

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

Other hypernyms of dancing-master include dancer, professional dancer, instructor, teacher.

dancing-master (noun)	terpsichorean (noun)
a professional teacher of dancing	a performer who dances professionally

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