channelization vs American spelling

channelization and American spelling both are nouns.

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

channelization (noun)	American spelling (noun)
management through specified channels of communication	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')