skidder vs actor

skidder and actor both are nouns.

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

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

Other hypernyms of skidder include doer, worker.

skidder (noun)	actor (noun)
a tractor used to haul logs over rough terrain	a theatrical performer
a worker who uses a skid to move logs	a person who acts and gets things done
a person who slips or slides because of loss of traction