Australian spelling vs disc

Australian spelling and disc both are nouns.

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

Australian spelling (noun)	disc (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	a flat circular plate
	sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove
	(computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored
	something with a round shape resembling a flat circular plate