terpsichorean vs dancer

terpsichorean and dancer both are nouns.

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

As nouns, terpsichorean and dancer are synonyms defined as:

Other synonyms of terpsichorean include professional dancer.

terpsichorean (noun)	dancer (noun)
a performer who dances professionally	a performer who dances professionally
	a person who participates in a social gathering arranged for dancing (as a ball)

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