propose vs recommend

propose

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

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

  • To intend. 

recommend

verb
  • To advise, propose, counsel favorably 

  • To make acceptable; to attract favor to. 

  • To bestow commendation on; to represent favourably; to suggest, endorse or encourage as an appropriate choice. 

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