customize vs American spelling

customize is not a noun while American spelling is a noun.

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

customize (noun)	American spelling (noun)
	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')

customize (verb)	American spelling (verb)
make according to requirements
make to specifications