synchronization vs American spelling

synchronization and American spelling both are nouns.

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

synchronization (noun)	American spelling (noun)
coordinating by causing to indicate the same time	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')
an adjustment that causes something to occur or recur in unison
the relation that exists when things occur at the same time