Australian spelling vs modernise

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

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

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

Australian spelling (verb)	modernise (verb)
	make repairs, renovations, revisions or adjustments to
	become technologically advanced