marriage licence vs Australian spelling

marriage licence and Australian spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
marriage licence	Yes	No	No	No
Australian spelling	Yes	No	No	No

marriage licence (noun)	Australian spelling (noun)
a license authorizing two people to marry	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')