memorise vs British spelling

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

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

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

memorise (verb)	British spelling (verb)
commit to memory; learn by heart