nasalisation vs British spelling

nasalisation and British spelling both are nouns.

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

nasalisation (noun)	British spelling (noun)
the act of nasalizing; the utterance of sounds modulated by the nasal resonators	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')