disconfirming vs medical specialty

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

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

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

disconfirming (adjective)	medical specialty (adjective)
not indicating the presence of microorganisms or disease or a specific condition
establishing as invalid or untrue