piker vs rolling stone

piker

noun
  • A tramp; a vagrant. 

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

rolling stone

noun
  • A person who moves around a lot and never settles down; a vagrant. 

  • A geological phenomenon where rocks move and inscribe long tracks along a smooth valley floor without animal or human intervention. 

  • A meteoroid. 

  • A womanizer. 

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