We don't have synonyms for maracas yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are maraca, caracas and maracay.
(n) :
(music) A Latin American percussion instrument consisting of a hollow-gourd rattle containing pebbles or beans and often played in pairs, as a rhythm instrument.
(n) :
(music) A Latin American percussion instrument consisting of a hollow-gourd rattle containing pebbles or beans and often played in pairs, as a rhythm instrument.