bleat vs yelp

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. 

yelp

verb
  • To utter an abrupt, high-pitched noise. 

noun
  • An abrupt, high-pitched noise or utterance. 

  • A type of emergency vehicle siren sounding quicker and more intense than the wail. 

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