British spelling vs marginalise

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

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

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

British spelling (verb)	marginalise (verb)
	relegate to a lower or outer edge, as of specific groups of people