Australian spelling vs synchronisation

Australian spelling and synchronisation both are nouns.

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

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