R vs d

R

character
  • The eighteenth letter of the English alphabet, called ar and written in the Latin script. 

name
  • In the context of the documentary hypothesis, the Redactor(s) who compiled and edited the Torah. 

noun
  • rex (“king”) or regina (“queen”); the initial by which a British monarch signs documents after his or her name 

  • the Crown, the government of a monarchy (abbreviating rex (“king”) or regina (“queen”)) 

  • rook 

  • Thursday 

  • Republican 

  • ring 

  • runs, the statistic reporting the number of runs scored by a player 

  • radius 

adj
  • right (as opposed to left) 

  • reverse 

  • restricted 

d

character
  • The fourth letter of the English alphabet, called dee and written in the Latin script. 

prefix
  • the prefix dis- or des- 

symbol
  • a British penny; an old penny (the modern decimal penny being abbreviated p). 

  • Die or dice 

  • penny, a measure of the size of nails 

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