blinder vs directional

blinder

noun
  • Something that blinds. 

  • A bag or cloth put over the head of a difficult horse while it is being handled or mounted. 

  • An exceptional performance. 

  • A bout of heavy drinking, a bender. 

  • A bright light used to blind the audience temporarily during a scene change. 

  • A screen attached to a horse's bridle preventing it from being able to see things to its side. 

verb
  • To obstruct the vision of. 

  • To fit (a horse) with blinders. 

directional

noun
  • Something that indicates direction, such as a vehicle's turn signal. 

adj
  • Indicating direction. 

  • Of or relating to guidance or help. 

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