We don't have synonyms for kisel yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are kiel, eisel and kibel.
(n) :
A dessert (sometimes consumed as a drink) made from fruit or berry juice and thickened with starch, common in Slavic and Baltic countries as well as Finland and Sweden.
(n) :
A dessert (sometimes consumed as a drink) made from fruit or berry juice and thickened with starch, common in Slavic and Baltic countries as well as Finland and Sweden.