appal vs Australian spelling

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

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

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

appal (verb)	Australian spelling (verb)
strike with disgust or revulsion
fill with apprehension or alarm; cause to be unpleasantly surprised