We don't have synonyms for griswald yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are griswold, greifswald and grunwald.
(n) :
Alternative form of Griswold. [An English habitational surname from Middle English from gris (“grey (from French, i.e., the language of the Royal Court after 1066”) + wold (“forest, e.g. “Yorkshire Wolds”).]
(n) :
Alternative form of Griswold. [An English habitational surname from Middle English from gris (“grey (from French, i.e., the language of the Royal Court after 1066”) + wold (“forest, e.g. “Yorkshire Wolds”).]