autogenesis vs spontaneous generation

autogenesis and spontaneous generation both are nouns.

Word	Noun	Adjective	Verb	Adverb
autogenesis	Yes	No	No	No
spontaneous generation	Yes	No	No	No

As nouns, autogenesis and spontaneous generation are synonyms defined as:

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

Other synonyms of autogenesis include abiogenesis, autogeny.

autogenesis (noun)	spontaneous generation (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