catch up vs reoccupy

catch up

verb
  • To reach something that had been ahead. 

  • To pick up suddenly. 

  • To finally reach something inevitable. 

  • To entangle. 

  • To bring (someone) up to date with the news. 

  • To compensate for or make up a deficiency. 

  • To be brought up to date with news. 

reoccupy

verb
  • To occupy again. 

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