propose vs work through

propose

verb
  • To suggest a plan, course of action, etc. 

  • To ask for a person's hand in marriage. 

  • To intend. 

work through

verb
  • To get past a difficult or stressful situation by thinking or talking about it. 

  • Used other than figuratively or idiomatically: see work, through. 

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