pluralisation vs Australian spelling

pluralisation and Australian spelling both are nouns.

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

pluralisation (noun)	Australian spelling (noun)
the act of pluralizing or attributing plurality to	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')