acquaintance rape vs defilement

acquaintance rape

noun
  • Rape by someone known to the victim, such as date rape, marital rape, or rape by a teacher or supervisor. 

defilement

noun
  • The state of being defiled. 

  • The act of defiling. 

  • The protection of the interior walls of a fortification from enfilading fire, as by covering them, or by a high parapet on the exposed side. 

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