concretize vs American spelling

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

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

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

concretize (verb)	American spelling (verb)
become specific
make something concrete