befriend vs stand by

befriend

verb
  • To favor. 

  • To become a friend of, to make friends with. 

stand by

verb
  • To remain loyal or faithful to. 

  • To wait in expectation of some event; to be ready. 

  • To support; to continue to support despite things being bad. 

  • To do nothing. To be inactive in a situation. 

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