American spelling vs mechanize

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

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

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

American spelling (verb)	mechanize (verb)
	make mechanical
	make monotonous; make automatic or routine
	equip with armed and armored motor vehicles