crystallisation vs British spelling

crystallisation and British spelling both are nouns.

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

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