British spelling vs subsidise

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

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

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

British spelling (verb)	subsidise (verb)
	support through subsidies
	secure the assistance of by granting a subsidy, as of nations or military forces