American spelling vs tenderize

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

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

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

American spelling (verb)	tenderize (verb)
	make tender or more tender as by marinating, pounding, or applying a tenderizer