armed robbery vs lifting

armed robbery

noun
  • An theft where the thieves are carrying weapons. 

lifting

noun
  • Theft. 

  • A certain operation on a measure space; see lifting theory. 

  • The action or process by which something is lifted; elevation 

  • weightlifting; a form of exercise in which weights are lifted 

  • plastic surgery for tightening facial tissues and improving the facial appearance 

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