We don't have synonyms for crocard yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are brocard, chocard and rocard.
(n) :
Alternative form of crockard. [(historical, numismatics) A 13th-century coin minted in Europe as a debased counterfeit copy of the sterling silver penny of King Edward I, at first legally accepted as a halfpenny and then outlawed.]
(n) :
Alternative form of crockard. [(historical, numismatics) A 13th-century coin minted in Europe as a debased counterfeit copy of the sterling silver penny of King Edward I, at first legally accepted as a halfpenny and then outlawed.]