horse doctor vs veterinary

horse doctor and veterinary both are nouns.

Word	Noun	Adjective	Verb	Adverb
horse doctor	Yes	No	No	No
veterinary	Yes	Yes	No	No

As nouns, veterinary is a hypernym of horse doctor; that is, veterinary is a word with a broader meaning than horse doctor:

Other hypernyms of horse doctor include vet, veterinarian, veterinary surgeon.

horse doctor (noun)	veterinary (noun)
a veterinarian who treats horses	a doctor who practices veterinary medicine

horse doctor (adjective)	veterinary (adjective)
	of or relating to veterinarians or veterinary medicine