growl vs stomachache

growl

noun
  • The rumbling sound made by a human's hungry stomach. 

  • A similar sound made by a human. 

  • An aggressive grumbling. 

  • A deep, rumbling, threatening sound made in the throat by an animal. 

  • A low-pitched rumbling sound produced with a wind instrument. 

verb
  • To play a wind instrument in a way that produces a low-pitched rumbling sound. 

  • To utter a deep guttural sound, as an angry animal; to give forth an angry, grumbling sound. 

  • Of a wind instrument: to produce a low-pitched rumbling sound. 

  • To send a user a message via the Growl software library. 

  • To express (something) by growling. 

stomachache

noun
  • A pain in the abdomen, often caused by indigestion. (The pain is usually lower than the stomach and related to the intestines.) 

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