MD vs medico

MD and medico both are nouns.

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

As nouns, MD and medico are synonyms defined as:

Other synonyms of MD include doc, doctor, Dr., physician.

MD (noun)	medico (noun)
a doctor's degree in medicine	a licensed medical practitioner
a Mid-Atlantic state; one of the original 13 colonies, with capital Annapolis	a student in medical school
a licensed medical practitioner