pussycat vs actor

pussycat and actor both are nouns.

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

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

Other hypernyms of pussycat include doer, worker.

pussycat (noun)	actor (noun)
informal terms referring to a domestic cat	a theatrical performer
a person who is regarded as easygoing and agreeable	a person who acts and gets things done