British spelling vs louvre

British spelling and louvre both are nouns.

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

British spelling (noun)	louvre (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	one of a set of parallel slats in a door or window to admit air and reject rain