British spelling vs denaturalise

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

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

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

British spelling (verb)	denaturalise (verb)
	strip of the rights and duties of citizenship
	make less natural or unnatural