invite vs recommend

invite

verb
  • To encourage. 

  • To ask for the presence or participation of someone or something. 

  • To allure; to draw to; to tempt to come; to induce by pleasure or hope; to attract. 

  • To request formally. 

noun
  • An invitation. 

recommend

verb
  • To make acceptable; to attract favor to. 

  • To advise, propose, counsel favorably 

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

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