decimalize vs American spelling

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

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

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

decimalize (verb)	American spelling (verb)
change to the decimal system
change from fractions to decimals