K vs chiliad

K

character

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

intj

  • Synonym: 'kay 

  • OK 

chiliad

noun

  • Synonym of millennium: a period of 1000 years. 

  • Synonym of chiliarchy: a group of 1000 soldiers commanded by a chiliarch. 

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