Australian spelling vs conventionalise

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

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

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

Australian spelling (verb)	conventionalise (verb)
	make conventional or adapt to conventions