doctor vs doctor-patient relation

doctor and doctor-patient relation both are nouns.

Word	Noun	Adjective	Verb	Adverb
doctor	Yes	No	Yes	No
doctor-patient relation	Yes	No	No	No

doctor (noun)	doctor-patient relation (noun)
children take the roles of physician or patient or nurse and pretend they are at the physician's office	the responsibility of a physician to act in the best interests of the patient
a licensed medical practitioner
a person who holds Ph.D. degree (or the equivalent) from an academic institution

doctor (verb)	doctor-patient relation (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