suit of armour vs Australian spelling

suit of armour and Australian spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
suit of armour	Yes	No	No	No
Australian spelling	Yes	No	No	No

suit of armour (noun)	Australian spelling (noun)
armor that protects the wearer's whole body	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')