fringing vs rand

fringing

noun
  • A fringe or border. 

  • Any anomalous electric or magnetic effect at the edges of a region. 

  • The appearance of false colours in an image as the result of poor registration of component monochrome images. 

adj
  • That fringes. 

rand

noun
  • A border, edge or rim. 

  • A random number. 

  • A rocky slope, especially the area over a river valley; specifically, the Rand 

  • A single rod woven in and out of the stakes. 

  • A strip of leather used to fit the heels of a shoe. 

  • The currency of South Africa, divided into 100 cents. 

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