Australian spelling vs publically

Australian spelling is a noun but publically is not a noun.

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

Australian spelling (noun)	publically (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')

Australian spelling (adverb)	publically (adverb)
	in a manner accessible to or observable by the public; openly