Australian spelling vs watercolour

Australian spelling and watercolour both are nouns.

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

Australian spelling (noun)	watercolour (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	the art or technique of painting with watercolors
	a painting produced with watercolors
	a water-base paint (with water-soluble pigments); used by artists
	water-soluble pigment

Australian spelling (verb)	watercolour (verb)
	paint with watercolors