roar vs shriek

roar

verb
  • To cry aloud; to proclaim loudly. 

  • Of animals (especially a lion), to make a loud deep noise. 

  • To make a loud noise in breathing, as horses do when they have a certain disease. 

  • To proceed vigorously. 

  • To be boisterous; to be disorderly. 

  • Generally, of inanimate objects etc., to make a loud resounding noise. 

  • To laugh in a particularly loud manner. 

  • To make a loud, deep cry, especially from pain, anger, or other strong emotion. 

  • to cry 

noun
  • A loud resounding noise. 

  • A show of strength or character. 

  • The deep cry of the bull. 

  • A long, loud, deep shout, as of rage or laughter, made with the mouth wide open. 

  • The cry of the lion. 

shriek

verb
  • To utter a loud, sharp, shrill sound or cry, as do some birds and beasts; to scream, as in a sudden fright, in horror or anguish. 

  • To utter sharply and shrilly; to utter in or with a shriek or shrieks. 

noun
  • An exclamation mark. 

  • A sharp, shrill outcry or scream; a shrill wild cry such as is caused by sudden or extreme terror, pain, or the like. 

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