We don't have synonyms for mejico yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are medico, mejiro and mexico.
(n) :
Alternative form of Mexico, Mexico City [A country in North America, located south of the United States, and northwest of Guatemala and Belize from Central America. Official name: United Mexican States.]
(n) :
Alternative form of Mexico, Mexico City [A country in North America, located south of the United States, and northwest of Guatemala and Belize from Central America. Official name: United Mexican States.]