systematisation vs Australian spelling

systematisation and Australian spelling both are nouns.

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

systematisation (noun)	Australian spelling (noun)
systematic organization; the act of organizing something according to a system or a rationale	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')