humanization vs American spelling

humanization and American spelling both are nouns.

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

humanization (noun)	American spelling (noun)
the act of making more human	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')