atrocity vs violation

atrocity

noun
  • The quality or state of being atrocious; enormous wickedness; extreme criminality or cruelty. 

  • An extremely cruel act; a horrid act of injustice. 

  • An object considered to be extremely unattractive or undesirable. 

violation

noun
  • An infraction or a failure to follow a rule. 

  • Rape; sexual activity forced on another person without their consent. 

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