William Harvey vs doctor

William Harvey and doctor both are nouns.

Word	Noun	Adjective	Verb	Adverb
William Harvey	Yes	No	No	No
doctor	Yes	No	Yes	No

William Harvey (noun)	doctor (noun)
English physician and scientist who described the circulation of the blood; he later proposed that all animals originate from an ovum produced by the female of the species (1578-1657)	children take the roles of physician or patient or nurse and pretend they are at the physician's office
	a licensed medical practitioner
	a person who holds Ph.D. degree (or the equivalent) from an academic institution

William Harvey (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