bouldery vs flinty

bouldery

adj
  • Of, pertaining to, or containing boulders 

  • involving, or resembling, bouldering 

flinty

adj
  • Siliceous (including basanite). 

  • Resembling or containing flint. 

  • Showing a lack of emotion. 

  • Having a taste characteristic of certain white wines, especially Chablis, supposed to evoke the sensation of flint striking steel. 

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