relativisation vs Australian spelling

relativisation and Australian spelling both are nouns.

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

relativisation (noun)	Australian spelling (noun)
the act or result of making relative or regarding as relative rather than absolute.	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')