solemnisation vs British spelling

solemnisation and British spelling both are nouns.

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

solemnisation (noun)	British spelling (noun)
the public performance of a sacrament or solemn ceremony with all appropriate ritual	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')