finalisation vs British spelling

finalisation and British spelling both are nouns.

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

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