formalise vs Australian spelling

formalise is not a noun while Australian spelling is a noun.

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

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

formalise (verb)	Australian spelling (verb)
make formal or official
declare or make legally valid