espouse vs sweep up

espouse

verb
  • To accept, support, or take on as one’s own (an idea or a cause). 

  • To become/get married to. 

sweep up

verb
  • to transport to shore by waves. 

  • To clean by sweeping. 

  • to overwhelm, to cause to become overly involved in. 

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