Australian spelling vs utilise

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

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

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

Australian spelling (verb)	utilise (verb)
	put into service; make work or employ for a particular purpose or for its inherent or natural purpose