harm vs taint

harm

verb
  • To cause injury to another; to hurt; to cause damage to something. 

noun
  • detriment; misfortune. 

  • physical injury; hurt; damage 

  • That which causes injury, damage, or loss. 

  • emotional or figurative hurt 

taint

verb
  • To be infected or corrupted; to be touched by something corrupting. 

  • To contaminate or corrupt (something) with an external agent, either physically or morally. 

  • To damage, as a lance, without breaking it; also, to break, as a lance, but usually in an unknightly or unscientific manner. 

  • To thrust ineffectually with a lance. 

  • To invalidate (a share capital account) by transferring profits into it. 

  • To be affected with incipient putrefaction. 

  • To spoil (food) by contamination. 

  • To mark (a variable) as unsafe, so that operations involving it are subject to additional security checks. 

noun
  • A tinge, trace or touch. 

  • A mark of disgrace, especially on one's character; blemish. 

  • A marker indicating that a variable is unsafe and should be subjected to additional security checks. 

  • A contamination, decay or putrefaction, especially in food. 

  • A thrust with a lance, which fails of its intended effect. 

  • An injury done to a lance in an encounter, without its being broken; also, a breaking of a lance in an encounter in a dishonorable or unscientific manner. 

  • The perineum. 

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