shriek vs split one’s sides

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. 

split one’s sides

How often have the words shriek and split one’s sides occurred in a corpus of books? (source: Google Ngram Viewer )