biogenesis vs biogeny

biogenesis and biogeny both are nouns.

Word	Noun	Adjective	Verb	Adverb
biogenesis	Yes	No	No	No
biogeny	Yes	No	No	No

As nouns, biogenesis and biogeny are synonyms defined as:

biogenesis and biogeny: the production of living organisms from other living organisms

biogenesis (noun)	biogeny (noun)
the production of living organisms from other living organisms	the production of living organisms from other living organisms
production of a chemical compound by a living organism