British spelling vs antagonise

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

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

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

British spelling (verb)	antagonise (verb)
	provoke the hostility of
	act in opposition to