pickpocket vs placer

pickpocket

noun
  • One who steals from the pocket of a passerby, usually by sleight of hand. 

verb
  • To pick pockets; to steal. 

placer

noun
  • One who deals in stolen goods; a fence. 

  • One who places or arranges something. 

  • A horse, etc. that finishes in a particular place in a race. 

  • A place where the superficial detritus is washed for gold, etc. 

  • Any place holding treasures. 

  • A lamb whose mother has died and which has transferred its attachment to an object, such as a bush or rock, in the locality. 

adj
  • alluvial; occurring in a deposit of sand or earth on a river-bed or bank, particularly with reference to precious metals such as gold or silver 

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