constitutionalise vs Australian spelling

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

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

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

constitutionalise (verb)	Australian spelling (verb)
incorporate into a constitution, make constitutional