motorisation vs Australian spelling

motorisation and Australian spelling both are nouns.

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

motorisation (noun)	Australian spelling (noun)
the act of motorizing (equipping with motors or with motor vehicles)	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')