phyllo vs puff pastry

phyllo

noun
  • A type of dough, originating in Mediterranean cuisine, that is used in thin layers to make pastries (such as baklava and apple strudel) and pies and becomes very flaky when cooked. 

puff pastry

noun
  • A light, flaky pastry that is made of alternating buttery and floury dough layers by repeatedly folding the rolled pastry into many layers. 

How often have the words phyllo and puff pastry occurred in a corpus of books? (source: Google Ngram Viewer )