frustrate vs scritch

frustrate

verb
  • To cause stress or annoyance. 

  • To disappoint or defeat; to vex by depriving of something expected or desired. 

  • To hinder or thwart. 

adj
  • ineffectual; useless; fruitless. 

scritch

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

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

noun
  • The act of scratching an itch. 

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

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