autogeny vs organic phenomenon

autogeny and organic phenomenon both are nouns.

Word	Noun	Adjective	Verb	Adverb
autogeny	Yes	No	No	No
organic phenomenon	Yes	No	No	No

As nouns, organic phenomenon is a hypernym of autogeny; that is, organic phenomenon is a word with a broader meaning than autogeny:

autogeny: a hypothetical organic phenomenon by which living organisms are created from nonliving matter
organic phenomenon: (biology) a natural phenomenon involving living plants and animals

autogeny (noun)	organic phenomenon (noun)
a hypothetical organic phenomenon by which living organisms are created from nonliving matter	(biology) a natural phenomenon involving living plants and animals