terrorise vs Australian spelling

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

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

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

terrorise (verb)	Australian spelling (verb)
fill with terror; frighten greatly
coerce by violence or with threats