blur vs frost

blur

noun
  • Something that appears hazy or indistinct 

  • A smear, smudge or blot 

verb
  • To cause imperfection of vision in; to dim; to darken. 

  • To become indistinct. 

  • To transfer the input focus away from. 

  • To smear, stain or smudge. 

  • To make indistinct or hazy, to obscure or dim. 

adj
  • In a state of doubt or confusion. 

frost

noun
  • A kind of light diffuser. 

  • A cover of minute ice crystals on objects that are exposed to the air. Frost is formed by the same process as dew, except that the temperature of the frosted object is below freezing. 

  • Coldness or insensibility; severity or rigidity of character. 

  • The cold weather that causes these ice crystals to form. 

  • A shade of white, like that of frost. 

verb
  • To cover with frost. 

  • To become covered with frost. 

  • To bleach individual strands of hair while leaving adjacent strands untouched. 

  • To anger or annoy. 

  • To sharpen (the points of a horse's shoe) to prevent it from slipping on ice. 

  • To coat (something, e.g. a cake) with icing to resemble frost. 

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