cracked vs riven

cracked

adj
  • Broken into coarse pieces. 

  • Extremely good at something (usually a video game). 

  • Crazy; crackpot. 

  • Harsh or dissonant. 

  • Broken so that cracks appear on, or under, the surface. 

riven

adj
  • Broken into pieces; split asunder. 

  • Torn apart. 

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