British spelling vs signalisation

British spelling and signalisation both are nouns.

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

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