extern vs medico

extern and medico both are nouns.

Word	Noun	Adjective	Verb	Adverb
extern	Yes	No	No	No
medico	Yes	No	No	No

As nouns, medico is a hypernym of extern; that is, medico is a word with a broader meaning than extern:

extern: a nonresident doctor or medical student; connected with a hospital but not living there
medico: a licensed medical practitioner

Other hypernyms of extern include doc, doctor, Dr., MD, physician.

extern (noun)	medico (noun)
a nonresident doctor or medical student; connected with a hospital but not living there	a licensed medical practitioner
	a student in medical school