British spelling vs nationalise

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

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

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

British spelling (verb)	nationalise (verb)
	put under state control or ownership
	make national in character or scope