flapper vs swallow

flapper

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

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

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

  • A flapper valve. 

  • The hand. 

  • One who or that which flaps. 

  • 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. 

swallow

noun
  • A small, migratory bird of the Hirundinidae family with long, pointed, moon-shaped wings and a forked tail which feeds on the wing by catching insects. 

  • Any of various carbohydrate-based dishes that are swallowed without much chewing. 

  • The amount swallowed in one gulp; the act of swallowing. 

  • The opening in a pulley block between the sheave and shell through which the rope passes. 

verb
  • To retract; to recant. 

  • To take food down into the stomach; to make the muscular contractions of the oesophagus to achieve this, often taken as a sign of nervousness or strong emotion. 

  • To accept easily or without questions; to believe, accept. 

  • To cause (food, drink etc.) to pass from the mouth into the stomach; to take into the stomach through the throat. 

  • To engross; to appropriate; usually with up. 

  • To take (something) in so that it disappears; to consume, absorb. 

  • To put up with; to bear patiently or without retaliation. 

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