taxi dancer vs terpsichorean

taxi dancer and terpsichorean both are nouns.

Word	Noun	Adjective	Verb	Adverb
taxi dancer	Yes	No	No	No
terpsichorean	Yes	Yes	No	No

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

taxi dancer: a woman employed to dance with patrons who pay a fee for each dance
terpsichorean: a performer who dances professionally

Other hypernyms of taxi dancer include dancer, professional dancer.

taxi dancer (noun)	terpsichorean (noun)
a woman employed to dance with patrons who pay a fee for each dance	a performer who dances professionally

taxi dancer (adjective)	terpsichorean (adjective)
	of or relating to dancing