American spelling vs destabilization

American spelling and destabilization both are nouns.

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

American spelling (noun)	destabilization (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	the action of destabilizing; making something less stable (especially of a government or country or economy)
	an event that causes a loss of equilibrium (as of a ship or aircraft)