miniaturisation vs British spelling

miniaturisation and British spelling both are nouns.

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

miniaturisation (noun)	British spelling (noun)
act of making on a greatly reduced scale	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')