We don't have synonyms for rosti yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are roti, rost and roshi.
(n) :
Alternative spelling of rösti. [A traditional breakfast dish in Germanophone Switzerland (originally from Bern canton) made from potatoes, fried in a pan with butter or fat and widely varying other ingredients such as bacon, onions, cheese, apples or fresh herbs.]
(n) :
Alternative spelling of rösti. [A traditional breakfast dish in Germanophone Switzerland (originally from Bern canton) made from potatoes, fried in a pan with butter or fat and widely varying other ingredients such as bacon, onions, cheese, apples or fresh herbs.]