wriggler vs actor

wriggler and actor both are nouns.

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

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

Other hypernyms of wriggler include doer, worker.

wriggler (noun)	actor (noun)
larva of a mosquito	a theatrical performer
one who can't stay still (especially a child)	a person who acts and gets things done