British spelling vs signalise

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

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

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

British spelling (verb)	signalise (verb)
	make conspicuous or noteworthy
	communicate silently and non-verbally by signals or signs
	point out carefully and clearly
	provide with traffic signals