pluralise vs British spelling

pluralise is not a noun while British spelling is a noun.

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

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

pluralise (verb)	British spelling (verb)
mark with a grammatical morpheme that indicates plural