grinner vs actor

grinner and actor both are nouns.

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

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

Other hypernyms of grinner include doer, worker.

grinner (noun)	actor (noun)
a person who grins	a theatrical performer
	a person who acts and gets things done