K vs N

K

character

  • The eleventh letter of the English alphabet, called kay and written in the Latin script. 

intj

  • Synonym: 'kay 

  • OK 

N

character

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

noun

  • north (see also n) 

  • navy 

  • knight 

  • noun 

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