blot vs smudge

blot

verb
  • To obscure; to eclipse; to shadow. 

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

  • 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. 

smudge

verb
  • To obscure by blurring; to smear. 

  • To subject to ritual burning of herbs (suffumigation, smudging). 

  • To stifle or smother with smoke. 

  • To soil or smear with dirt. 

  • To use dense smoke to protect from insects. 

  • To burn herbs as a cleansing ritual (suffumigation). 

noun
  • Dense smoke, such as that used for fumigation. 

  • A quantity of herbs used in suffumigation. 

  • A heap of damp combustibles partially ignited and burning slowly, placed on the windward side of a house, tent, etc. to keep off mosquitoes or other insects. 

  • A blemish or smear, especially a dark or sooty one. 

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