American spelling vs pulverize

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

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

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

American spelling (verb)	pulverize (verb)
	make into a powder by breaking up or cause to become dust
	become powder or dust
	destroy completely