Australian spelling vs plagiarisation

Australian spelling and plagiarisation both are nouns.

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

Australian spelling (noun)	plagiarisation (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	the act of plagiarizing; taking someone's words or ideas as if they were your own