unitize vs American spelling

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

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

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

unitize (verb)	American spelling (verb)
separate or classify into units
make into a unit
divide (bulk material) and process as units