invite vs prod

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. 

prod

verb
  • To encourage, to prompt. 

  • To prick with a goad. 

  • To poke, to push, to touch. 

noun
  • A production; a created work. 

  • A light kind of crossbow; a prodd. 

  • A prick or stab with such a pointed instrument. 

  • A poke. 

  • A device (now often electrical) used to goad livestock into moving. 

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