blur vs clart

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. 

clart

verb
  • To daub, smear, or spread, especially with mud, etc.; to dirty. 

noun
  • A person who is unclean. 

  • A daub. 

  • Unwanted stuff; junk; clutter; rubbish; stuff that is in the way. 

  • Sticky mud, mire or filth. 

  • A fool. 

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