American spelling vs plasticize

American spelling is a noun but plasticize is not a noun.

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

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

American spelling (verb)	plasticize (verb)
	make plastic, as by the addition of a plasticizer
	become plastic, as by having a plasticizer added