polarize vs American spelling

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

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

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

polarize (verb)	American spelling (verb)
become polarized in a conflict or contrasting situation
cause to concentrate about two conflicting or contrasting positions
cause to vibrate in a definite pattern