doctor vs Abu Ali al-Husain ibn Abdallah ibn Sina

doctor and Abu Ali al-Husain ibn Abdallah ibn Sina both are nouns.

Word	Noun	Adjective	Verb	Adverb
doctor	Yes	No	Yes	No
Abu Ali al-Husain ibn Abdallah ibn Sina	Yes	No	No	No

doctor (noun)	Abu Ali al-Husain ibn Abdallah ibn Sina (noun)
children take the roles of physician or patient or nurse and pretend they are at the physician's office	Persian physician and influential philosopher; his interpretation of Aristotle influenced St. Thomas Aquinas; writings on medicine were important for almost 500 years (980-1037)
a licensed medical practitioner
a person who holds Ph.D. degree (or the equivalent) from an academic institution

doctor (verb)	Abu Ali al-Husain ibn Abdallah ibn Sina (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