Australian spelling vs pressurise

Australian spelling is a noun but pressurise is not a noun.

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

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

Australian spelling (verb)	pressurise (verb)
	increase the pressure in or of
	maintain a certain pressure
	increase the pressure on a gas or liquid