proctologist vs specialist

proctologist and specialist both are nouns.

Word	Noun	Adjective	Verb	Adverb
proctologist	Yes	No	No	No
specialist	Yes	No	No	No

As nouns, specialist is a hypernym of proctologist; that is, specialist is a word with a broader meaning than proctologist:

Other hypernyms of proctologist include medical specialist.

proctologist (noun)	specialist (noun)
a doctor specializing in diseases of the rectum and anus	an expert who is devoted to one occupation or branch of learning
	practices one branch of medicine