bungalow vs dacha

bungalow

noun
  • A thatched or tiled one-story house in India surrounded by a wide veranda; a similar house in this style. 

  • A single-storey house, typically with rooms all on one level, or sometimes also with upper rooms set into the roof space. 

dacha

noun
  • A Russian villa or summer house in the countryside. 

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