malodour vs British spelling

malodour and British spelling both are nouns.

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

malodour (noun)	British spelling (noun)
a distinctive odor that is offensively unpleasant	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')