boscage vs briar

boscage

noun
  • A place set with trees or mass of shrubbery, a grove or thicket. 

  • Among painters, a picture depicting a wooded scene. 

  • Mast-nuts of forest trees, used as food for pigs, or any such sustenance as wood and trees yield to cattle. 

  • A tax on wood. 

briar

noun
  • A pipe for smoking, made from the roots of that shrub. 

  • The white heath (Erica arborea), a thorny Mediterranean shrub. 

  • Any of many plants with thorny stems growing in dense clusters, such as many in the Rosa, Rubus, and Smilax genera. 

  • Anything sharp or unpleasant to the feelings. 

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