cosmogony vs cosmology

cosmogony and cosmology both are nouns.

Word	Noun	Adjective	Verb	Adverb
cosmogony	Yes	No	No	No
cosmology	Yes	No	No	No

As nouns, cosmogony and cosmology are synonyms defined as:

cosmogony and cosmology: the branch of astrophysics that studies the origin and evolution and structure of the universe

Other synonyms of cosmogony include cosmogeny.

cosmogony (noun)	cosmology (noun)
the branch of astrophysics that studies the origin and evolution and structure of the universe	the branch of astrophysics that studies the origin and evolution and structure of the universe
	the metaphysical study of the origin and nature of the universe