internalize vs American spelling

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

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

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

internalize (verb)	American spelling (verb)
incorporate within oneself; make subjective or personal