Australian spelling vs miniaturisation

Australian spelling and miniaturisation both are nouns.

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

Australian spelling (noun)	miniaturisation (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	act of making on a greatly reduced scale