crackle vs scritch

crackle

verb
  • To make a prolonged, frequent cracking sound which sounds like fizzing or popping. 

noun
  • A prolonged, frequent cracking sound; a fizzing, popping sound. 

  • Synonym of crackling (“crispy rind of roast pork”) 

  • A style of glaze giving the impression of many small cracks. 

  • The fifth derivative of the position vector with respect to time (after velocity, acceleration, jerk, and jounce), i.e. the rate of change of jounce. 

scritch

verb
  • To make a light scratching sound, like a small animal burrowing. 

  • To scratch so as to relieve an itch or irritation. 

noun
  • The act of scratching an itch. 

  • A light scratching sound, like a small animal burrowing. 

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