symphonise vs Australian spelling

symphonise is not a noun while Australian spelling is a noun.

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

symphonise (noun)	Australian spelling (noun)
	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')

symphonise (verb)	Australian spelling (verb)
play or sound together, in harmony