American spelling vs polarization

American spelling and polarization both are nouns.

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

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