centralising vs Australian spelling

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

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

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

centralising (adjective)	Australian spelling (adjective)
tending to draw to a central point