medical specialty vs donor

medical specialty and donor both are nouns.

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

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