pharmacy vs medical specialty

pharmacy and medical specialty both are nouns.

Word	Noun	Adjective	Verb	Adverb
pharmacy	Yes	No	No	No
medical specialty	Yes	No	No	No

As nouns, medical specialty is a hypernym of pharmacy; that is, medical specialty is a word with a broader meaning than pharmacy:

pharmacy: the art and science of preparing and dispensing drugs and medicines
medical specialty: the branches of medical science that deal with nonsurgical techniques

Other hypernyms of pharmacy include medicine.

pharmacy (noun)	medical specialty (noun)
a retail shop where medicine and other articles are sold	the branches of medical science that deal with nonsurgical techniques
the art and science of preparing and dispensing drugs and medicines