spoil vs taint

spoil

verb
  • To ruin; to damage (something) in some way making it unfit for use. 

  • To ruin the character of, by overindulgence; to coddle or pamper to excess. 

  • To reveal the ending or major events of (a story etc.); to ruin (a surprise) by exposing it ahead of time. 

  • To render (a ballot paper) invalid by deliberately defacing it. 

  • Of food, to become bad, sour or rancid; to decay. 

  • To reduce the lift generated by an airplane or wing by deflecting air upwards, usually with a spoiler. 

noun
  • Material (such as rock or earth) removed in the course of an excavation, or in mining or dredging. Tailings. Such material could be utilised somewhere else. 

  • Plunder taken from an enemy or victim. 

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 spoil and taint occurred in a corpus of books? (source: Google Ngram Viewer )