Australian spelling vs synchronising

Australian spelling and synchronising both are nouns.

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

Australian spelling (noun)	synchronising (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	an adjustment that causes something to occur or recur in unison