realize vs American spelling

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

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

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

realize (verb)	American spelling (verb)
perceive (an idea or situation) mentally
be fully aware or cognizant of
make real or concrete; give reality or substance to
expand or complete (a part in a piece of baroque music) by supplying the harmonies indicated in the figured bass
convert into cash; of goods and property
earn on some commercial or business transaction; earn as salary or wages