hesitate vs respond

hesitate

verb
  • To utter with hesitation or to intimate by a reluctant manner. 

  • To stammer; to falter in speaking. 

  • To stop or pause respecting decision or action; to be in suspense or uncertainty as to a determination. 

respond

verb
  • To satisfy; to answer. 

  • To act in return; to carry out an action or in return to a force or stimulus; to do something in response. 

  • To say something in return; to answer; to reply. 

  • To correspond with; to suit. 

  • To be liable for payment. 

noun
  • A half-pillar, pilaster, or any corresponding device engaged in a wall to receive the impost of an arch. 

  • A versicle or short anthem chanted at intervals during the reading of a lection. 

  • A response. 

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