liberalisation vs Australian spelling

liberalisation and Australian spelling both are nouns.

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

liberalisation (noun)	Australian spelling (noun)
the act of making less strict	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')