endure vs follow up

endure

verb
  • To continue or carry on, despite obstacles or hardships; to persist. 

  • To tolerate or put up with something unpleasant. 

  • To remain firm, as under trial or suffering; to suffer patiently or without yielding; to bear up under adversity; to hold out. 

  • To last. 

  • To suffer patiently. 

follow up

verb
  • To take further actions remaining after an event; to continue, revisit, or persist; especially, to maintain communication or verify. 

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