contagious abortion vs zoonosis

contagious abortion and zoonosis both are nouns.

Word	Noun	Adjective	Verb	Adverb
contagious abortion	Yes	No	No	No
zoonosis	Yes	No	No	No

As nouns, zoonosis is a hypernym of contagious abortion; that is, zoonosis is a word with a broader meaning than contagious abortion:

contagious abortion: an infectious disease of domestic animals often resulting in spontaneous abortion; transmittable to human beings
zoonosis: an animal disease that can be transmitted to humans

Other hypernyms of contagious abortion include zoonotic disease.

contagious abortion (noun)	zoonosis (noun)
an infectious disease of domestic animals often resulting in spontaneous abortion; transmittable to human beings	an animal disease that can be transmitted to humans