befog vs blindfold

befog

verb
  • To obscure, make less clear (a subject, issue, etc.). 

  • To envelop in fog or smoke. 

  • To confuse, mystify (a person); to make less acute or perceptive, to cloud (a person’s faculties). 

blindfold

verb
  • To obscure understanding or comprehension. 

  • To cover the eyes, in order to make someone unable to see. 

noun
  • Something that obscures vision (literally or metaphorically). 

  • A covering, usually a bandage, for the eyes, blocking light to the eyes. 

adj
  • Having the eyes covered so as to obscure vision 

  • Thoughtless; reckless. 

adv
  • With the eyes covered so as to obscure vision. 

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