British spelling vs oxidise

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

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

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

British spelling (verb)	oxidise (verb)
	add oxygen to or combine with oxygen
	enter into a combination with oxygen or become converted into an oxide