peptization vs American spelling

peptization and American spelling both are nouns.

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

peptization (noun)	American spelling (noun)
the process of converting to a sol; bringing to a colloidal solution	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')