blot vs smirch

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. 

smirch

noun
  • A stain on somebody's reputation. 

  • A chirp of radiation power from an astronomical body that has a smeared appearance on its plot in the time-frequency plane (usually associated with massive bodies orbiting supermassive black holes) 

  • Dirt, or a stain. 

verb
  • To harm the reputation of; to smear or slander. 

  • To dirty; to make dirty. 

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