mobilization vs American spelling

mobilization and American spelling both are nouns.

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

mobilization (noun)	American spelling (noun)
act of marshaling and organizing and making ready for use or action	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')
act of assembling and putting into readiness for war or other emergency: