appetising vs Australian spelling

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

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

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

appetising (adjective)	Australian spelling (adjective)
appealing to or stimulating the appetite especially in appearance or aroma