dysgenesis vs infertility

dysgenesis and infertility both are nouns.

Word	Noun	Adjective	Verb	Adverb
dysgenesis	Yes	No	No	No
infertility	Yes	No	No	No

As nouns, infertility is a hypernym of dysgenesis; that is, infertility is a word with a broader meaning than dysgenesis:

dysgenesis: infertility between hybrids
infertility: 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 dysgenesis include sterility.

dysgenesis (noun)	infertility (noun)
infertility between hybrids	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