cosmogonical vs cosmogonic

cosmogonical and cosmogonic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
cosmogonical	No	Yes	No	No
cosmogonic	No	Yes	No	No

As adjectives, cosmogonical and cosmogonic are synonyms defined as:

cosmogonical and cosmogonic: pertaining to the branch of astronomy dealing with the origin and history and structure and dynamics of the universe

Other synonyms of cosmogonical include cosmogenic, cosmologic, cosmological.

cosmogonical (adjective)	cosmogonic (adjective)
pertaining to the branch of astronomy dealing with the origin and history and structure and dynamics of the universe	pertaining to the branch of astronomy dealing with the origin and history and structure and dynamics of the universe