nitrogenize vs American spelling

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

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

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

nitrogenize (verb)	American spelling (verb)
treat with nitrogen or a nitrogen compound