We don't have synonyms for furmety yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are furmity and furmenty.
(n) :
Alternative form of frumenty. [(chiefly historical) A porridge made by boiling hulled wheat, typically with additional ingredients such as milk, egg yolks, and/or almond milk, traditionally served with venison or porpoise.]
(n) :
Alternative form of frumenty. [(chiefly historical) A porridge made by boiling hulled wheat, typically with additional ingredients such as milk, egg yolks, and/or almond milk, traditionally served with venison or porpoise.]