harrowing vs mild

harrowing

adj
  • Causing pain or distress. 

noun
  • The process of breaking up earth with a harrow. 

  • Christ's ravaging or hostile incursion of Hell, conducted between his crucifixion and resurrection, in which he liberated the souls of the righteous held captive by Satan. 

  • Suffering, torment. 

  • Ravaging; hostile incursion; spoliation; intentional widespread destruction. 

mild

noun
  • A relatively low-gravity beer, often with a dark colour; mild ale 

adj
  • Not sharp or bitter; not strong in flavor. 

  • Of only moderate severity; not strict. 

  • Not serious or dangerous. 

  • Moderately warm, especially less cold than expected. 

  • Gentle and not easily angered. 

  • Not overly felt or seriously intended. 

  • Acting gently and without causing harm. 

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