medico vs pupil

medico and pupil both are nouns.

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

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

Other hypernyms of medico include educatee, student.

medico (noun)	pupil (noun)
a licensed medical practitioner	the contractile aperture in the center of the iris of the eye; resembles a large black dot
a student in medical school	a learner who is enrolled in an educational institution
	a young person attending school (up through senior high school)