fibre vs Australian spelling

fibre and Australian spelling both are nouns.

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

fibre (noun)	Australian spelling (noun)
a leatherlike material made by compressing layers of paper or cloth	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')
the inherent complex of attributes that determines a persons moral and ethical actions and reactions
any of several elongated, threadlike cells (especially a muscle fiber or a nerve fiber)
coarse, indigestible plant food low in nutrients; its bulk stimulates intestinal peristalsis
a slender and greatly elongated substance capable of being spun into yarn