shrink vs weaken

shrink

verb
  • 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 draw back; to withdraw. 

  • 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. 

weaken

verb
  • To become weaker or less strong. 

  • To make weaker or less strong. 

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