medical student vs medico

medical student and medico both are nouns.

Word	Noun	Adjective	Verb	Adverb
medical student	Yes	No	No	No
medico	Yes	No	No	No

As nouns, medical student and medico are synonyms defined as:

medical student (noun)	medico (noun)
a student in medical school	a licensed medical practitioner
	a student in medical school