honour vs Australian spelling

honour and Australian spelling both are nouns.

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

honour (noun)	Australian spelling (noun)
the quality of being honorable and having a good name	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')
a woman's virtue or chastity
a tangible symbol signifying approval or distinction
the state of being honored