vulcanisation vs Australian spelling

vulcanisation and Australian spelling both are nouns.

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

vulcanisation (noun)	Australian spelling (noun)
process of treating rubber or rubberlike materials with sulphur at great heat to improve elasticity and strength or to harden them	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')