stabilization vs American spelling

stabilization and American spelling both are nouns.

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

stabilization (noun)	American spelling (noun)
the act of stabilizing something or making it more stable	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')
the act of making something (as a vessel or aircraft) less likely to overturn