expel vs gulp

expel

verb
  • To eject or erupt. 

  • To remove from membership. 

  • To deport. 

gulp

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

  • To react nervously by swallowing. 

noun
  • An unspecified small number of bytes, often two. 

  • The usual amount swallowed. 

  • The sound of swallowing, sometimes indicating fear. 

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

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