polarization vs American spelling

polarization and American spelling both are nouns.

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

polarization (noun)	American spelling (noun)
the phenomenon in which waves of light or other radiation are restricted in direction of vibration	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')
the condition of having or giving polarity