schematisation vs Australian spelling

schematisation and Australian spelling both are nouns.

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

schematisation (noun)	Australian spelling (noun)
providing a chart or outline of a system	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')
the act of reducing to a scheme or formula