black humour vs British spelling

black humour and British spelling both are nouns.

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

black humour (noun)	British spelling (noun)
the juxtaposition of morbid and farcical elements (in writing or drama) to give a disturbing effect	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')