Walter Gilbert vs doctor

Walter Gilbert and doctor both are nouns.

Word	Noun	Adjective	Verb	Adverb
Walter Gilbert	Yes	No	No	No
doctor	Yes	No	Yes	No

Walter Gilbert (noun)	doctor (noun)
English court physician noted for his studies of terrestrial magnetism (1540-1603)	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

Walter Gilbert (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