biosynthesis vs biogenesis

biosynthesis and biogenesis both are nouns.

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

As nouns, biosynthesis and biogenesis are synonyms defined as:

biosynthesis and biogenesis: production of a chemical compound by a living organism

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