surreal humour vs Australian spelling

surreal humour and Australian spelling both are nouns.

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

surreal humour (noun)	Australian spelling (noun)
is a form of humour predicated on deliberate violations of causal reasoning, producing events and behaviours that are obviously illogical.	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')