sanitise vs British spelling

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

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

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

sanitise (verb)	British spelling (verb)
make less offensive or more acceptable by removing objectionable features
make sanitary by cleaning or sterilizing