blot vs slur

blot

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

  • 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 soak up or absorb liquid. 

  • To stain with infamy; to disgrace. 

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. 

slur

verb
  • To soil; to sully; to contaminate; to disgrace. 

  • To run together; to articulate poorly. 

  • To insult or slight. 

  • To play legato or without separate articulation; to connect (notes) smoothly. 

  • To cover over; to disguise; to conceal; to pass over lightly or with little notice. 

  • To cheat, as by sliding a die; to trick. 

noun
  • In knitting machines, a device for depressing the sinkers successively by passing over them. 

  • An insinuation or innuendo. 

  • An act of running one's words together; poor verbal articulation. 

  • A mark, stain, or smear; (by extension) a slight occasion of reproach. 

  • A disparaging insult or slight, particularly one used to denigrate a specific group. 

  • A set of notes that are played legato, without separate articulation. 

  • The symbol indicating a legato passage, written as an arc over the slurred notes (not to be confused with a tie). 

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