cosmology vs cosmogeny

cosmology and cosmogeny both are nouns.

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

As nouns, cosmology and cosmogeny are synonyms defined as:

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

Other synonyms of cosmology include cosmogony.

cosmology (noun)	cosmogeny (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