hooker vs monkfish

hooker

noun
  • A small fishing boat. 

  • One who, or that which, hooks. 

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

  • A crocheter. 

  • Any antiquated craft. 

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

  • A prostitute. 

monkfish

noun
  • Any large bottom-dwelling anglerfish of the genus Lophius, such as Lophius piscatorius, of the Atlantic, having a large head and mouth. 

  • Angel sharks of the genus Squatina. 

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