autogenesis vs autogeny

autogenesis and autogeny both are nouns.

Word	Noun	Adjective	Verb	Adverb
autogenesis	Yes	No	No	No
autogeny	Yes	No	No	No

As nouns, autogenesis and autogeny are synonyms defined as:

autogenesis and autogeny: a hypothetical organic phenomenon by which living organisms are created from nonliving matter

Other synonyms of autogenesis include abiogenesis, spontaneous generation.

autogenesis (noun)	autogeny (noun)
a hypothetical organic phenomenon by which living organisms are created from nonliving matter	a hypothetical organic phenomenon by which living organisms are created from nonliving matter