bagger vs safecracker

bagger

noun
  • One who bags. 

  • A retail employee who bags customers' purchases and carries them to the customers' vehicles. 

  • A touring motorcycle equipped with saddlebags. 

safecracker

noun
  • One who breaks into safes. 

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