liberalisation vs British spelling

liberalisation and British spelling both are nouns.

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

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