British spelling vs plasticise

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

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

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

British spelling (verb)	plasticise (verb)
	make plastic, as by the addition of a plasticizer
	become plastic, as by having a plasticizer added