crump vs yelp

crump

verb
  • To produce such a sound. 

  • (of one's health) to decline rapidly (but not as rapidly as crash). 

adj
  • Hard or crusty; dry baked 

noun
  • The sound of a muffled explosion. 

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 crump and yelp occurred in a corpus of books? (source: Google Ngram Viewer )