blot vs dot

blot

verb
  • to soak up or absorb liquid. 

  • 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 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. 

dot

verb
  • To cover with small spots (of some liquid). 

  • To punch (a person). 

  • To mark or diversify with small detached objects. 

  • To add a dot (the symbol) or dots to. 

  • To mark by means of dots or small spots. 

prep
  • Dot product of the previous vector and the following vector. 

noun
  • A symbol used for separating the fractional part of a decimal number from the whole part, for indicating multiplication or a scalar product, or for various other purposes. 

  • A small, round spot. 

  • buckshot, projectile from a "dotty" or shotgun 

  • A dot ball. 

  • One of the two symbols used in Morse code. 

  • A punctuation mark used to indicate the end of a sentence or an abbreviated part of a word; a full stop; a period. 

  • A point used as a diacritical mark above or below various letters of the Latin script, as in Ȧ, Ạ, Ḅ, Ḃ, Ċ. 

  • Anything small and like a speck comparatively; a small portion or specimen. 

  • A dowry. 

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