hygienise vs Australian spelling

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

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

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

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