carbonisation vs Australian spelling

carbonisation and Australian spelling both are nouns.

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

carbonisation (noun)	Australian spelling (noun)
the destructive distillation of coal (as in coke ovens)	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')