arrive vs slope off

arrive

verb
  • To obtain a level of success or fame; to succeed. 

  • To come; said of time. 

  • To happen or occur. 

  • To reach; to get to a certain place. 

slope off

verb
  • To depart quietly, without being noticed. 

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