affirm vs invite

affirm

verb
  • To support or encourage. 

  • To make firm; to confirm, or ratify; especially (law) to assert or confirm, as a judgment, decree, or order, brought before an appellate court for review. 

  • To agree, verify or concur; to answer positively. 

  • To state under a solemn promise to tell the truth which is considered legally equivalent to an oath, especially of those who have religious or other moral objections to swearing oaths; also solemnly affirm. 

  • To assert positively; to tell with confidence; to aver; to maintain as true. 

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. 

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