eristic vs actor

eristic and actor both are nouns.

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

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

Other hypernyms of eristic include doer, worker.

eristic (noun)	actor (noun)
the art of logical disputation (especially if specious)	a theatrical performer
a person who disputes; who is good at or enjoys controversy	a person who acts and gets things done

eristic (adjective)	actor (adjective)
given to disputation for its own sake and often employing specious arguments