invite vs look out

invite

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

  • To encourage. 

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

  • To request formally. 

noun
  • An invitation. 

look out

verb
  • To be vigilant and aware often as an imperative to alert a person to danger. 

  • To find by looking: to hunt out. 

  • To be facing (used with "on"). 

  • Used other than figuratively or idiomatically: see look, out. 

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