blot vs taint

blot

noun
  • A stain on someone's reputation or character; a disgrace. 

  • An exposed piece in backgammon. 

  • A blemish, spot or stain made by a coloured substance. 

  • A method of transferring proteins, DNA or RNA, onto a carrier. 

verb
  • to cause a blot (on something) by spilling a coloured substance. 

  • To obliterate, as writing with ink; to cancel; to efface; generally with out. 

  • To dry (writing, etc.) with blotting paper. 

  • To spot, stain, or bespatter, as with ink. 

  • To obscure; to eclipse; to shadow. 

  • To impair; to damage; to mar; to soil. 

  • to soak up or absorb liquid. 

  • To stain with infamy; to disgrace. 

taint

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

  • A tinge, trace or touch. 

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