British spelling vs ostracise

British spelling is a noun but ostracise is not a noun.

Word	Noun	Adjective	Verb	Adverb
British spelling	Yes	No	No	No
ostracise	No	No	Yes	No

British spelling (noun)	ostracise (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')

British spelling (verb)	ostracise (verb)
	avoid speaking to or dealing with
	expel from a community or group