Australian spelling vs naturalisation

Australian spelling and naturalisation both are nouns.

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

Australian spelling (noun)	naturalisation (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	the proceeding whereby a foreigner is granted citizenship
	changing the pronunciation of a borrowed word to agree with the borrowers' phonology
	the introduction of animals or plants to places where they flourish but are not indigenous
	the quality of being brought into conformity with nature