actress vs tragedienne

actress and tragedienne both are nouns.

Word	Noun	Adjective	Verb	Adverb
actress	Yes	No	No	No
tragedienne	Yes	No	No	No

As nouns, tragedienne is a hyponym of actress; that is, tragedienne is a word with a more specific, narrower meaning than actress:

Other hyponyms of actress include leading lady, starlet.

actress (noun)	tragedienne (noun)
a female actor	an actress who specializes in tragic roles