British spelling vs initialise

British spelling is a noun but initialise is not a noun.

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

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

British spelling (verb)	initialise (verb)
	divide (a disk) into marked sectors so that it may store data
	assign an initial value to a computer program