ionise vs Australian spelling

ionise is not a noun while Australian spelling is a noun.

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

ionise (noun)	Australian spelling (noun)
	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')

ionise (verb)	Australian spelling (verb)
convert into ions
become converted into ions