opalize vs American spelling

opalize is not a noun while American spelling is a noun.

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

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

opalize (verb)	American spelling (verb)
replace or convert into opal
make opalescent