scrutinise vs Australian spelling

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

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

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

scrutinise (verb)	Australian spelling (verb)
examine carefully for accuracy with the intent of verification
to look at critically or searchingly, or in minute detail