medico vs medical student

medico and medical student both are nouns.

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

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

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