tiger vs actor

tiger and actor both are nouns.

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

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

Other hypernyms of tiger include doer, worker.

tiger (noun)	actor (noun)
large feline of forests in most of Asia having a tawny coat with black stripes; endangered	a theatrical performer
a fierce or audacious person	a person who acts and gets things done