bleat vs shriek

bleat

verb
  • Of a sheep or goat, to make its characteristic cry; of a human, to mimic this sound. 

  • Of a person, to complain. 

noun
  • The characteristic cry of a sheep or a goat. 

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 bleat and shriek occurred in a corpus of books? (source: Google Ngram Viewer )