encourage vs injure

encourage

verb
  • To mentally support; to motivate, give courage, hope or spirit. 

  • To spur on, strongly recommend. 

  • To foster, give help or patronage 

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 encourage and injure occurred in a corpus of books? (source: Google Ngram Viewer )