pediatric vs American spelling

pediatric is not a noun while American spelling is a noun.

Word	Noun	Adjective	Verb	Adverb
pediatric	No	Yes	No	No
American spelling	Yes	No	No	No

pediatric (noun)	American spelling (noun)
	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')

pediatric (adjective)	American spelling (adjective)
of or relating to the medical care of children