Australian spelling vs ionisation

Australian spelling and ionisation both are nouns.

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

Australian spelling (noun)	ionisation (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	the process of ionizing; the formation of ions by separating atoms or molecules or radicals or by adding or subtracting electrons from atoms by strong electric fields in a gas
	the condition of being dissociated into ions (as by heat or radiation or chemical reaction or electrical discharge)