charivari vs British spelling

charivari and British spelling both are nouns.

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

charivari (noun)	British spelling (noun)
a noisy mock serenade (made by banging pans and kettles) to a newly married couple	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')