pluralisation vs British spelling

pluralisation and British spelling both are nouns.

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

pluralisation (noun)	British spelling (noun)
the act of pluralizing or attributing plurality to	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')