grumble vs scritch

grumble

verb
  • To make a low, growling or rumbling noise, like a hungry stomach or certain animals. 

  • To utter in a grumbling fashion. 

  • To complain; to murmur or mutter with discontent; to make ill-natured complaints in a low voice and a surly manner. 

noun
  • A low thundering, rumbling or growling sound. 

  • The sound made by a hungry stomach. 

  • A surly complaint. 

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 grumble and scritch occurred in a corpus of books? (source: Google Ngram Viewer )