blur vs dim

blur

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

  • 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. 

adj
  • In a state of doubt or confusion. 

noun
  • Something that appears hazy or indistinct 

  • A smear, smudge or blot 

dim

verb
  • To render dim, obscure, or dark; to make less bright or distinct 

  • To make something less bright. 

  • To deprive of distinct vision; to hinder from seeing clearly, either by dazzling or clouding the eyes; to darken the senses or understanding of. 

  • To become darker. 

adj
  • Not bright or colorful. 

  • Indistinct, hazy or unclear. 

  • Not smart or intelligent. 

  • Disapproving, unfavorable: rarely used outside the phrase take a dim view of. 

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