American spelling vs slenderize

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

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

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

American spelling (verb)	slenderize (verb)
	take off weight
	make slender or appear to be slender