MD vs doctor

MD and doctor both are nouns.

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

As nouns, MD and doctor are synonyms defined as:

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

MD (noun)	doctor (noun)
a doctor's degree in medicine	children take the roles of physician or patient or nurse and pretend they are at the physician's office
a Mid-Atlantic state; one of the original 13 colonies, with capital Annapolis	a licensed medical practitioner
a licensed medical practitioner	a person who holds Ph.D. degree (or the equivalent) from an academic institution

MD (verb)	doctor (verb)
	give medical treatment to
	alter and make impure, as with the intention to deceive
	restore by replacing a part or putting together what is torn or broken