demagogue vs Australian spelling

demagogue and Australian spelling both are nouns.

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

demagogue (noun)	Australian spelling (noun)
a political leader who seeks support by appealing to popular passions and prejudices	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')