piker vs punter

piker

noun
  • One who bets or gambles only with small amounts of money. 

  • A soldier armed with a pike, a pikeman. 

  • One who refuses to go out with friends, or leaves a party early; a spoilsport or "chicken". 

  • An amateur. 

  • A stingy person; a cheapskate. 

  • One who pikes (quits or backs out of a promise). 

  • A tramp; a vagrant. 

  • A bullock living in the wild. (Also used attributively.) 

punter

noun
  • One who gambles. See speculator. 

  • One who punts a football. 

  • One who bets (punts) against the bank. 

  • A customer of a commercial establishment, frequently of a pub or (alternatively) of a prostitute. 

  • The person who keeps score in basset or ombre. 

  • One who oars or poles a punt (pontoon). 

  • A program used to forcibly disconnect another user from a chat room. 

  • A person who trades with a gang but is not a gang member. 

  • A beginner or unskilled climber. 

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