gulp vs swallow

gulp

noun
  • The usual amount swallowed. 

  • An unspecified small number of bytes, often two. 

  • The sound of swallowing, sometimes indicating fear. 

verb
  • To react nervously by swallowing. 

  • To swallow eagerly, or in large draughts; to swallow up; to take down in one swallow. 

intj
  • An indication of (the sound of) an involuntary fear reaction in the form of a swallowing motion. 

swallow

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

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

  • 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. 

  • 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 gulp and swallow occurred in a corpus of books? (source: Google Ngram Viewer )