constellation vs configuration

constellation and configuration both are nouns.

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

As nouns, constellation and configuration are synonyms defined as:

constellation (noun)	configuration (noun)
an arrangement of parts or elements	any spatial attributes (especially as defined by outline)
a configuration of stars as seen from the earth	an arrangement of parts or elements