We don't have synonyms for encephala yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are encephalon, bucephala and encephalo.
(n) :
(neuroanatomy, especially embryologic neuroanatomy) The area of central nervous system that includes all higher nervous centers, enclosed within the skull and continuous with the spinal cord; synonym of brain.
(n) :
(neuroanatomy, especially embryologic neuroanatomy) The area of central nervous system that includes all higher nervous centers, enclosed within the skull and continuous with the spinal cord; synonym of brain.