Australian spelling vs oxidisation

Australian spelling and oxidisation both are nouns.

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

Australian spelling (noun)	oxidisation (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	the process of oxidizing; the addition of oxygen to a compound with a loss of electrons; always occurs accompanied by reduction