Australian spelling vs subsidise

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

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

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

Australian spelling (verb)	subsidise (verb)
	support through subsidies
	secure the assistance of by granting a subsidy, as of nations or military forces