signalisation vs British spelling

signalisation and British spelling both are nouns.

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

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