utilisation vs British spelling

utilisation and British spelling both are nouns.

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

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