mercerise vs Australian spelling

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

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

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

mercerise (verb)	Australian spelling (verb)
treat to strengthen and improve the luster