cosmogeny vs cosmology

cosmogeny and cosmology both are nouns.

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

As nouns, cosmogeny and cosmology are synonyms defined as:

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

Other synonyms of cosmogeny include cosmogony.

cosmogeny (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