synchronisation vs Australian spelling

synchronisation and Australian spelling both are nouns.

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

synchronisation (noun)	Australian spelling (noun)
coordinating by causing to indicate the same time	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')
an adjustment that causes something to occur or recur in unison
the relation that exists when things occur at the same time