demoralising vs Australian spelling

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

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

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

demoralising (adjective)	Australian spelling (adjective)
destructive of morale and self-reliance