regrade vs shrink

regrade

verb
  • To regroup or reassign. 

  • To change the classification of (potentially secret documentation). 

  • To grade again, give a new grade or grading to. 

noun
  • The act or process of grading again. 

shrink

verb
  • To draw back; to withdraw. 

  • To cause to become smaller. 

  • To withdraw or retire, as from danger. 

  • To move back or away, especially because of fear or disgust. 

  • To cower or flinch. 

  • To become smaller; to contract. 

noun
  • A psychiatrist or psychotherapist. 

  • Shrinkage; contraction; recoil. 

  • Loss of inventory, for example due to shoplifting or not selling items before their expiration date. 

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