Australian spelling vs favourite

Australian spelling and favourite both are nouns.

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

Australian spelling (noun)	favourite (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	something regarded with special favor or liking
	a special loved one
	a competitor thought likely to win

Australian spelling (adjective)	favourite (adjective)
	preferred above all others and treated with partiality
	appealing to the general public

Australian spelling (verb)	favourite (verb)
	To mark an item as a personal favorite on social media