Australian spelling vs acclimatisation

Australian spelling and acclimatisation both are nouns.

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

Australian spelling (noun)	acclimatisation (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	adaptation to a new climate (a new temperature or altitude or environment)