spontaneous generation vs abiogenesis

spontaneous generation and abiogenesis both are nouns.

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

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

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

Other synonyms of spontaneous generation include autogenesis, autogeny.

spontaneous generation (noun)	abiogenesis (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