American spelling vs neutralization

American spelling and neutralization both are nouns.

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

American spelling (noun)	neutralization (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	action intended to nullify the effects of some previous action
	action intended to keep a country politically neutral or exclude it from a possible war
	(euphemism) the removal of a threat by killing or destroying it (especially in a covert operation or military operation)
	a chemical reaction in which an acid and a base interact with the formation of a salt; with strong acids and bases the essential reaction is the combination of hydrogen ions with hydroxyl ions to form water