Australian spelling vs anaesthesia

Australian spelling and anaesthesia both are nouns.

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

Australian spelling (noun)	anaesthesia (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	loss of bodily sensation with or without loss of consciousness