befriend vs injure

befriend

verb
  • To favor. 

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

injure

verb
  • To wound or cause physical harm to a living creature. 

  • To damage or impair. 

  • To do injustice to. 

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