noninvasive vs medical specialty

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

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

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

noninvasive (adjective)	medical specialty (adjective)
relating to a technique that does not involve puncturing the skin or entering a body cavity