cacogenesis vs sterility

cacogenesis and sterility both are nouns.

Word	Noun	Adjective	Verb	Adverb
cacogenesis	Yes	No	No	No
sterility	Yes	No	No	No

As nouns, sterility is a hypernym of cacogenesis; that is, sterility is a word with a broader meaning than cacogenesis:

cacogenesis: inability to produce hybrids that are both viable and fertile
sterility: the state of being unable to produce offspring; in a woman it is an inability to conceive; in a man it is an inability to impregnate

Other hypernyms of cacogenesis include infertility.

cacogenesis (noun)	sterility (noun)
inability to produce hybrids that are both viable and fertile	the state of being unable to produce offspring; in a woman it is an inability to conceive; in a man it is an inability to impregnate
	(of non-living objects) the state of being free of pathogenic organisms