adjourn vs persevere

adjourn

verb
  • To defer; to put off temporarily or indefinitely. 

  • To postpone. 

  • To end or suspend an event. 

  • To move as a group from one place to another. 

persevere

verb
  • To persist steadfastly in pursuit of an undertaking, task, journey, or goal, even if hindered by distraction, difficulty, obstacles, or discouragement. 

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