liberalize vs American spelling

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

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

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

liberalize (verb)	American spelling (verb)
make liberal or more liberal, of laws and rules
become more liberal