Australian spelling vs fantasise

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

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

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

Australian spelling (verb)	fantasise (verb)
	indulge in fantasies
	portray in the mind