desensitize vs American spelling

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

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

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

desensitize (verb)	American spelling (verb)
make insensitive
cause not to be sensitive