Australian spelling vs polymerisation

Australian spelling and polymerisation both are nouns.

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

Australian spelling (noun)	polymerisation (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	a chemical process that combines several monomers to form a polymer or polymeric compound