Cassiopeia vs constellation

Cassiopeia and constellation both are nouns.

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

Cassiopeia (noun)	constellation (noun)
a W-shaped constellation in the Northern Hemisphere near Polaris	an arrangement of parts or elements
(Greek mythology) the wife of Cepheus and mother of Andromeda	a configuration of stars as seen from the earth