pulverisation vs Australian spelling

pulverisation and Australian spelling both are nouns.

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

pulverisation (noun)	Australian spelling (noun)
the act of grinding to a powder or dust	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')
annihilation by pulverizing something
a solid substance in the form of tiny loose particles; a solid that has been pulverized