actress vs actor

actress and actor both are nouns.

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

As nouns, actor is a hypernym of actress; that is, actor is a word with a broader meaning than actress:

Other hypernyms of actress include histrion, player, role player, thespian, adult female, woman.

actress (noun)	actor (noun)
a female actor	a theatrical performer
	a person who acts and gets things done