busy bee vs actor

busy bee and actor both are nouns.

Word	Noun	Adjective	Verb	Adverb
busy bee	Yes	No	No	No
actor	Yes	No	No	No

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

Other hypernyms of busy bee include doer, worker.

busy bee (noun)	actor (noun)
an alert and energetic person	a theatrical performer
	a person who acts and gets things done