We don't have synonyms for thespius yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are thesis, thespian and thespis.
(N) :
In Greek mythology, Thespius (Ancient Greek: Θέσπιος Théspios) or Thestius (Ancient Greek: Θέστιος)Pausanias, 9.27.7; Harpocration, Lexicon of the Ten Orators s.v.
(N) :
In Greek mythology, Thespius (Ancient Greek: Θέσπιος Théspios) or Thestius (Ancient Greek: Θέστιος)Pausanias, 9.27.7; Harpocration, Lexicon of the Ten Orators s.v.