blear vs hebetate

blear

verb
  • To make blurred or dim. 

  • To be blear; to have blear eyes; to look or gaze with blear eyes. 

  • To blur, make blurry. 

adj
  • Dim, unclear from water or rheum. 

  • Causing or caused by dimness of sight. 

hebetate

verb
  • To render obtuse; to dull; to blunt. 

adj
  • obtuse; dull 

  • Having a dull or blunt and soft point 

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