peptisation vs Australian spelling

peptisation and Australian spelling both are nouns.

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

peptisation (noun)	Australian spelling (noun)
the process of converting to a sol; bringing to a colloidal solution	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')