We don't have synonyms for wrastle yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are wrestle, rastle and wrassle.
(v) :
(ambitransitive, informal, pronunciation spelling, US regional, or obsolete) Alternative form of wrestle. [(transitive) To take part in (a wrestling bout or match).]
(v) :
(ambitransitive, informal, pronunciation spelling, US regional, or obsolete) Alternative form of wrestle. [(transitive) To take part in (a wrestling bout or match).]