customise vs British spelling

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

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

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

customise (verb)	British spelling (verb)
make according to requirements
make to specifications