enthronisation vs Australian spelling

enthronisation and Australian spelling both are nouns.

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

enthronisation (noun)	Australian spelling (noun)
the ceremony of installing a new monarch	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')