We don't have synonyms for svastika yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are swastika, astika and mastika.
(n) :
Alternative form of swastika. [(countable) A cross with arms of equal length all bent halfway along at a 90° angle to the right or to the left, used as a religious symbol by various ancient and modern civilizations, but now mainly seen and used in the West (with arms angled to the right) as a symbol of Nazism and fascism.]
(n) :
Alternative form of swastika. [(countable) A cross with arms of equal length all bent halfway along at a 90° angle to the right or to the left, used as a religious symbol by various ancient and modern civilizations, but now mainly seen and used in the West (with arms angled to the right) as a symbol of Nazism and fascism.]