British spelling vs misdemeanour

British spelling and misdemeanour both are nouns.

Word	Noun	Adjective	Verb	Adverb
British spelling	Yes	No	No	No
misdemeanour	Yes	No	No	No

British spelling (noun)	misdemeanour (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	a crime less serious than a felony