proctology vs medical specialty

proctology and medical specialty both are nouns.

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

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

proctology: the branch of medicine dealing with the diagnosis and treatment of disorders of the colon or rectum or anus
medical specialty: the branches of medical science that deal with nonsurgical techniques

Other hypernyms of proctology include medicine.

proctology (noun)	medical specialty (noun)
the branch of medicine dealing with the diagnosis and treatment of disorders of the colon or rectum or anus	the branches of medical science that deal with nonsurgical techniques