charivari vs callathump

charivari and callathump both are nouns.

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

As nouns, charivari and callathump are synonyms defined as:

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

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

charivari (noun)	callathump (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
	a noisy boisterous parade