house physician vs medico

house physician and medico both are nouns.

Word	Noun	Adjective	Verb	Adverb
house physician	Yes	No	No	No
medico	Yes	No	No	No

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

house physician: a physician (especially an intern) who lives in a hospital and cares for hospitalized patients under the supervision of the medical staff of the hospital
medico: a licensed medical practitioner

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

house physician (noun)	medico (noun)
a physician (especially an intern) who lives in a hospital and cares for hospitalized patients under the supervision of the medical staff of the hospital	a licensed medical practitioner
	a student in medical school