Australian spelling vs hygienise

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

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

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

Australian spelling (verb)	hygienise (verb)
	make sanitary by cleaning or sterilizing