invite vs shirk

invite

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

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

  • To encourage. 

  • To request formally. 

noun
  • An invitation. 

shirk

verb
  • To procure by petty fraud and trickery; to obtain by mean solicitation. 

  • To avoid, especially a duty, responsibility, etc.; to stay away from. 

  • To evade an obligation; to avoid the performance of duty, as by running away. 

noun
  • One who shirks, who avoids a duty or responsibility. 

  • The unforgivable sin of idolatry. 

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