Australian spelling vs sanitise

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

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

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

Australian spelling (verb)	sanitise (verb)
	make less offensive or more acceptable by removing objectionable features
	make sanitary by cleaning or sterilizing