donor vs medical specialty

donor and medical specialty both are nouns.

Word	Noun	Adjective	Verb	Adverb
donor	Yes	No	No	No
medical specialty	Yes	No	No	No

donor (noun)	medical specialty (noun)
person who makes a gift of property	the branches of medical science that deal with nonsurgical techniques
(medicine) someone who gives blood or tissue or an organ to be used in another person (the host)