British spelling vs regularisation

British spelling and regularisation both are nouns.

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

British spelling (noun)	regularisation (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	the act of bringing to uniformity; making regular
	the condition of having been made regular (or more regular)