Australian spelling vs yellow ochre

Australian spelling and yellow ochre both are nouns.

Word	Noun	Adjective	Verb	Adverb
Australian spelling	Yes	No	No	No
yellow ochre	Yes	No	No	No

Australian spelling (noun)	yellow ochre (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	pigment consisting of a limonite mixed with clay and silica