We don't have synonyms for accadian yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are Arcadian, chadian and achaian.
(n) :
Alternative spelling of Akkadian. [The now extinct Semitic language of ancient Mesopotamia, formerly used as an international language of diplomacy.]
(adj) :
Alternative spelling of Akkadian. [Of or pertaining to the Akkadian language of ancient Mesopotamia.]
(n) :
Alternative spelling of Akkadian. [The now extinct Semitic language of ancient Mesopotamia, formerly used as an international language of diplomacy.]
(adj) :
Alternative spelling of Akkadian. [Of or pertaining to the Akkadian language of ancient Mesopotamia.]