dacha vs haven

dacha

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

haven

noun
  • A peaceful place. 

  • A place of safety. 

  • A harbour or anchorage protected from the sea. 

verb
  • To put into, or provide with a haven. 

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