Australian spelling vs decriminalisation

Australian spelling and decriminalisation both are nouns.

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

Australian spelling (noun)	decriminalisation (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	legislation that makes something legal that was formerly illegal