British spelling vs normalise

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

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

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

British spelling (verb)	normalise (verb)
	make normal or cause to conform to a norm or standard
	become normal or return to its normal state