We don't have synonyms for tartary yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are tartar, tatary and tartare.
(n) :
Obsolete form of Tartarus. [(Greek mythology, Roman mythology) A dark and gloomy part of the realm of Hades, reserved for the damned and the wicked, such as the Titans; an equivalent of hell in Greek and Roman mythology.]
(n) :
Obsolete form of Tartarus. [(Greek mythology, Roman mythology) A dark and gloomy part of the realm of Hades, reserved for the damned and the wicked, such as the Titans; an equivalent of hell in Greek and Roman mythology.]