Sagittarius vs actor

Sagittarius and actor both are nouns.

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

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

Sagittarius: (astrology) a person who is born while the sun is in Sagittarius
actor: a person who acts and gets things done

Other hypernyms of Sagittarius include doer, worker.

Sagittarius (noun)	actor (noun)
type genus of the Sagittariidae	a theatrical performer
the ninth sign of the zodiac; the sun is in this sign from about November 22 to December 21	a person who acts and gets things done
a large zodiacal constellation in the Southern Hemisphere; between Scorpius and Capricornus
(astrology) a person who is born while the sun is in Sagittarius