vicarious vs medical specialty

vicarious is not a noun while medical specialty is a noun.

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

vicarious (noun)	medical specialty (noun)
	the branches of medical science that deal with nonsurgical techniques

vicarious (adjective)	medical specialty (adjective)
occurring in an abnormal part of the body instead of the usual site involved in that function
suffered or done by one person as a substitute for another
experienced at secondhand