We don't have synonyms for bisket yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are basket, bosket and biset.
(n) :
Obsolete spelling of biscuit. [(UK, Australia, Ireland, New Zealand, sometimes Canada, rare in the US and the Philippines) A small, flat, baked good which is either hard and crisp or else soft but firm; a cookie.]
(n) :
Obsolete spelling of biscuit. [(UK, Australia, Ireland, New Zealand, sometimes Canada, rare in the US and the Philippines) A small, flat, baked good which is either hard and crisp or else soft but firm; a cookie.]