blur vs muck

blur

verb
  • To smear, stain or smudge. 

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

  • To become indistinct. 

  • To transfer the input focus away from. 

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

noun
  • Something that appears hazy or indistinct 

  • A smear, smudge or blot 

adj
  • In a state of doubt or confusion. 

muck

verb
  • To manure with muck. 

  • To shovel muck. 

  • To vomit. 

  • To do a dirty job. 

  • To pass, to fold without showing one's cards, often done when a better hand has already been revealed. 

noun
  • Heroin. 

  • Semen. 

  • Soft (or slimy) manure. 

  • The pile of discarded cards. 

  • Anything filthy or vile. Dirt; something that makes another thing dirty. 

  • Grub, slop, swill 

  • Slimy mud, sludge. 

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