American spelling vs immortalize

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

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

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

American spelling (verb)	immortalize (verb)
	make famous forever
	be or provide a memorial to a person or an event