popularize vs American spelling

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

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

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

popularize (verb)	American spelling (verb)
make understandable to the general public
cater to popular taste to make popular and present to the general public; bring into general or common use