armed robbery vs crime

armed robbery

noun
  • An theft where the thieves are carrying weapons. 

crime

noun
  • Criminal acts collectively. 

  • A specific act committed in violation of the law. 

  • The habit or practice of committing crimes. 

  • Any great sin or wickedness; iniquity. 

verb
  • To subject to disciplinary punishment. 

  • To commit crime. 

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