K vs thou

K

intj
  • Synonym: 'kay 

  • OK 

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

thou

verb
  • To use the word thou. 

  • To address (a person) using the pronoun thou, especially as an expression of contempt or familiarity. 

noun
  • A unit of length equal to one-thousandth of an inch (25.4 µm). 

  • A thousand, especially a thousand of some currency (dollars, pounds sterling, etc.). 

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