flight surgeon vs medic

flight surgeon and medic both are nouns.

Word	Noun	Adjective	Verb	Adverb
flight surgeon	Yes	No	No	No
medic	Yes	No	No	No

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

Other hypernyms of flight surgeon include medical officer.

flight surgeon (noun)	medic (noun)
a medical officer specializing in aviation medicine	a medical practitioner in the armed forces
	any of several Old World herbs of the genus Medicago having small flowers and trifoliate compound leaves