regularise vs British spelling

regularise is not a noun while British spelling is a noun.

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

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

regularise (verb)	British spelling (verb)
make regular or more regular
bring into conformity with rules or principles or usage; impose regulations