cha-cha-cha vs cha-cha

cha-cha-cha and cha-cha both are nouns.

Word	Noun	Adjective	Verb	Adverb
cha-cha-cha	Yes	No	No	No
cha-cha	Yes	No	Yes	No

As nouns, cha-cha-cha and cha-cha are synonyms defined as:

cha-cha-cha and cha-cha: a modern ballroom dance from Latin America; small steps and swaying movements of the hips

cha-cha-cha (noun)	cha-cha (noun)
a modern ballroom dance from Latin America; small steps and swaying movements of the hips	a modern ballroom dance from Latin America; small steps and swaying movements of the hips

cha-cha-cha (verb)	cha-cha (verb)
	dance the cha-cha