blur vs fuzz

blur

noun
  • Something that appears hazy or indistinct 

  • A smear, smudge or blot 

adj
  • In a state of doubt or confusion. 

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. 

fuzz

noun
  • Quality of an image that is unclear; a blurred image. 

  • A distorted sound, especially from an electric guitar or other amplified instrument. 

  • The police, or any law enforcement agency. 

  • A state of befuddlement. 

  • The random data used in fuzz testing. 

  • A frizzy mass of hair or fibre. 

verb
  • To make fuzzy. 

  • To become fuzzy. 

  • To test a software component by running it on randomly generated input. 

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