Australian spelling vs disorganisation

Australian spelling and disorganisation both are nouns.

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

Australian spelling (noun)	disorganisation (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	the disturbance of a systematic arrangement causing disorder and confusion
	a condition in which an orderly system has been disrupted