drop scone vs tostada

drop scone

noun
  • Synonym of Scotch pancake 

tostada

noun
  • A flat tortilla that has been fried or toasted, or a dish based on this. Usually associated with the cuisine of Latin America. 

  • A bowl-shaped tortilla that has been fried and filled with various ingredients. 

How often have the words drop scone and tostada occurred in a corpus of books? (source: Google Ngram Viewer )