Australian spelling vs sanitisation

Australian spelling and sanitisation both are nouns.

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

Australian spelling (noun)	sanitisation (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	making something sanitary (free of germs) as by sterilizing