bender vs flapper

bender

noun
  • One who, or that which, bends. 

  • A homosexual man. 

  • A simple shelter, made using flexible branches or withies. 

  • A bout of heavy drinking. 

  • A suspended sentence. 

  • A device to aid bending of pipes to a specific angle. 

flapper

noun
  • One who or that which flaps. 

  • A young girl usually between the ages of 15 and 18, especially one not "out" socially. 

  • A young game bird just able to fly, particularly a wild duck. 

  • A flipper; a limb of a turtle, which functions as a flipper or paddle when swimming. 

  • A flapper valve. 

  • The hand. 

  • Any injury that results in a loose flap of skin on the fingers, making gripping difficult. 

  • A young woman, especially when unconventional or without decorum or displaying daring freedom or boldness; now particularly associated with the Jazz Age of the 1920s. 

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