longer vs actor

longer and actor both are nouns.

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

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

Other hypernyms of longer include doer, worker.

longer (noun)	actor (noun)
a person with a strong desire for something	a theatrical performer
	a person who acts and gets things done

longer (adverb)	actor (adverb)
for more time