formalisation vs British spelling

formalisation and British spelling both are nouns.

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

formalisation (noun)	British spelling (noun)
the act of making formal (as by stating formal rules governing classes of expressions)	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')