Australian spelling vs black humour

Australian spelling and black humour both are nouns.

Word	Noun	Adjective	Verb	Adverb
Australian spelling	Yes	No	No	No
black humour	Yes	No	No	No

Australian spelling (noun)	black humour (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	the juxtaposition of morbid and farcical elements (in writing or drama) to give a disturbing effect