decarburize vs American spelling

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

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

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

decarburize (verb)	American spelling (verb)
remove carbon from (an engine)