piker vs vagrant

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. 

vagrant

noun
  • An animal, typically a bird, found outside its species' usual range. 

  • Vagrans egista, a widely distributed Asian butterfly of the family Nymphalidae. 

  • A person without settled employment or habitation who usually supports himself or herself by begging or some dishonest means; a tramp, a vagabond. 

adj
  • Wandering from place to place, particularly when without any settled employment or habitation. 

  • Of or pertaining to a vagabond or vagrant, or a person fond of wandering. 

  • Moving without a certain direction; roving, wandering; also, erratic, unsettled. 

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