body armour vs Australian spelling

body armour and Australian spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
body armour	Yes	No	No	No
Australian spelling	Yes	No	No	No

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