Minoan civilisation vs Australian spelling

Minoan civilisation and Australian spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
Minoan civilisation	Yes	No	No	No
Australian spelling	Yes	No	No	No

Minoan civilisation (noun)	Australian spelling (noun)
the bronze-age culture of Crete that flourished 3000-1100 BC	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')