American spelling vs pediatric

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

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

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

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