grafter vs mugger

grafter

noun
  • A corrupt person, one who receives graft. 

  • An instrument by which grafting is facilitated. 

  • One who inserts scions on other stocks, or propagates fruit by engrafting. 

  • Someone who works in market stalls. 

  • a hard worker who puts in long hours 

  • The original tree from which a scion has been taken for grafting upon another tree. 

mugger

noun
  • A person who assaults and robs others, especially in a public place. 

  • A large crocodile, Crocodylus palustris, of southwest Asia, having a very broad wrinkled snout. 

  • A person who makes exaggerated faces, as a performance; a gurner. 

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