veterinary vs MD

veterinary and MD both are nouns.

Word	Noun	Adjective	Verb	Adverb
veterinary	Yes	Yes	No	No
MD	Yes	No	No	No

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

Other hypernyms of veterinary include doc, doctor, Dr., medico, physician.

veterinary (noun)	MD (noun)
a doctor who practices veterinary medicine	a doctor's degree in medicine
	a Mid-Atlantic state; one of the original 13 colonies, with capital Annapolis
	a licensed medical practitioner

veterinary (adjective)	MD (adjective)
of or relating to veterinarians or veterinary medicine