bouldery vs discordant

bouldery

adj
  • Of, pertaining to, or containing boulders 

  • involving, or resembling, bouldering 

discordant

adj
  • Of a differing type of rock cutting across a formation. 

  • Not in harmony or accord. 

  • Of opposite sign. 

  • Harsh or dissonant-sounding. 

  • Serodiscordant. 

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