bothy vs shooting box

bothy

noun
  • A small cottage, especially one for communal use in remote areas by labourers or farmhands, or as a mountain shelter. 

shooting box

noun
  • A small house in the country for use in the shooting season. 

  • A box in which shooting or hunting equipment is stored. 

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