anathematisation vs British spelling

anathematisation and British spelling both are nouns.

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

anathematisation (noun)	British spelling (noun)
the formal act of pronouncing (someone or something) accursed	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')