Australian spelling vs kerb

Australian spelling and kerb both are nouns.

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

Australian spelling (noun)	kerb (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	an edge between a sidewalk and a roadway consisting of a line of curbstones (usually forming part of a gutter)