ostracize vs American spelling

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

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

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

ostracize (verb)	American spelling (verb)
avoid speaking to or dealing with
expel from a community or group