piker vs squirrel

piker

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

  • 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. 

squirrel

noun
  • Any of the rodents of the family Sciuridae distinguished by their large bushy tail. 

  • Someone who displays a squirrel-like qualities such as stealing or hoarding objects. 

  • A person, usually a freezoner, who applies L. Ron Hubbard's technology in a heterodox manner. 

  • One of the small rollers of a carding machine which work with the large cylinder. 

verb
  • To store in a secretive manner, to hide something for future use 

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