harmonize vs American spelling

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

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

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

harmonize (verb)	American spelling (verb)
bring into consonance, harmony, or accord while making music or singing
bring into consonance or accord
bring (several things) into consonance or relate harmoniously
sing or play in harmony
write a harmony for
go together