American spelling vs secularize

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

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

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

American spelling (verb)	secularize (verb)
	make secular and draw away from a religious orientation
	transfer from ecclesiastical to civil possession, use, or control