We don't have synonyms for tzadik yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are tsadik and tzaddik.
(n) :
Alternative spelling of tzaddik. [(Judaism) A very righteous person, especially a Hassidic spiritual leader.]
(n) :
Alternative form of tsade (“Semitic letter”). [The eighteenth letter of many Semitic alphabets/abjads (Phoenician, Aramaic, Hebrew, Syriac, Arabic and others).]
(n) :
Alternative spelling of tzaddik. [(Judaism) A very righteous person, especially a Hassidic spiritual leader.]
(n) :
Alternative form of tsade (“Semitic letter”). [The eighteenth letter of many Semitic alphabets/abjads (Phoenician, Aramaic, Hebrew, Syriac, Arabic and others).]