Surgeon General vs medic

Surgeon General and medic both are nouns.

Word	Noun	Adjective	Verb	Adverb
Surgeon General	Yes	No	No	No
medic	Yes	No	No	No

As nouns, medic is a hypernym of Surgeon General; that is, medic is a word with a broader meaning than Surgeon General:

Other hypernyms of Surgeon General include medical officer.

Surgeon General (noun)	medic (noun)
the senior medical officer in an Army or Navy	a medical practitioner in the armed forces
the head of the United States Public Health Service	any of several Old World herbs of the genus Medicago having small flowers and trifoliate compound leaves