We don't have synonyms for akhaian yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are achaian.
(n) :
Alternative form of Achaean. [An inhabitant or resident of Achaea, especially a member of an ancient Hellenic tribe that inhabited the region of Achaea.]
(adj) :
Alternative form of Achaean. [Of or relating to Achaea or the Achaeans.]
(n) :
Alternative form of Achaean. [An inhabitant or resident of Achaea, especially a member of an ancient Hellenic tribe that inhabited the region of Achaea.]
(adj) :
Alternative form of Achaean. [Of or relating to Achaea or the Achaeans.]