American spelling vs melanize

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

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

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

American spelling (verb)	melanize (verb)
	make or become black
	convert into, or infiltrate with melanin