chiropter vs hooker

chiropter

noun
  • A member of the order Chiroptera, a bat 

hooker

noun
  • A batsman or batswoman adept at or fond of playing hook shots. 

  • One who, or that which, hooks. 

  • A crocheter. 

  • Any antiquated craft. 

  • A player who hooks the ball out of the scrum with his foot. 

  • A prostitute. 

  • A small fishing boat. 

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