constellation vs Taurus

constellation and Taurus both are nouns.

Word	Noun	Adjective	Verb	Adverb
constellation	Yes	No	No	No
Taurus	Yes	No	No	No

constellation (noun)	Taurus (noun)
an arrangement of parts or elements	the second sign of the zodiac; the sun is in this sign from about April 20 to May 20
a configuration of stars as seen from the earth	a zodiacal constellation in the Northern Hemisphere near Orion; between Aries and Gemini
	(astrology) a person who is born while the sun is in Taurus
	Venezuelan master terrorist raised by a Marxist-Leninist father; trained and worked with many terrorist groups (born in 1949)