American spelling vs equalize

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

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

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

American spelling (verb)	equalize (verb)
	make equal, uniform, corresponding, or matching
	compensate; make the score equal