polychromize vs American spelling

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

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

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

polychromize (verb)	American spelling (verb)
color with many colors; make polychrome