kay vs n

kay

noun

  • A kilometer. 

  • A thousand of some unit (from kilo-). 

  • The name of the Latin-script letter K. 

n

noun

  • north 

  • noun 

  • Neutral 

  • Shortening of and, used in set phrases like rock-n-roll. 

  • normal 

  • No 

  • neuter gender 

character

  • The fourteenth letter of the English alphabet, called en and written in the Latin script. 

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