rand vs rim

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. 

rim

noun
  • An edge around something, especially when circular. 

  • A wheelrim. 

  • A membrane. 

  • A semicircular copydesk. 

verb
  • To form a rim on. 

  • To roll around a rim. 

  • To lick the anus of a partner as a sexual act. 

  • To follow the contours, possibly creating a circuit. 

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