We don't have synonyms for galettes yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are palette, gazette and galette.
(n) :
Clipping of Breton galette (“a crêpe or pancake made with buckwheat flour, and often with a savoury filling, originally from Upper Brittany in France”).
(n) :
Clipping of Breton galette (“a crêpe or pancake made with buckwheat flour, and often with a savoury filling, originally from Upper Brittany in France”).