aid vs taint

aid

verb
  • To climb with the use of aids such as pitons. 

  • To provide support to; to further the progress of; to help; to assist. 

noun
  • Help; assistance; succor, relief. 

  • An historical subsidy granted to the crown by Parliament for an extraordinary purpose, such as a war effort. 

  • A helper; an assistant. 

  • An exchequer loan. 

  • Something which helps; a material source of help. 

  • A pecuniary tribute paid by a vassal to his feudal lord on special occasions. 

  • The rider's use of hands, legs, voice, etc. to control the horse. 

taint

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. 

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

  • 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. 

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