charivari vs chivaree

charivari and chivaree both are nouns.

Word	Noun	Adjective	Verb	Adverb
charivari	Yes	No	No	No
chivaree	Yes	No	No	No

As nouns, charivari and chivaree are synonyms defined as:

charivari and chivaree: a noisy mock serenade (made by banging pans and kettles) to a newly married couple

Other synonyms of charivari include belling, callathump, callithump, shivaree.

charivari (noun)	chivaree (noun)
a noisy mock serenade (made by banging pans and kettles) to a newly married couple	a noisy mock serenade (made by banging pans and kettles) to a newly married couple