c-note vs k

c-note

noun
  • A one-hundred dollar banknote. 

  • The lowest note of an instrument, written below the staff and the D note. 

k

noun
  • thousand or thousands. 

  • A kilobyte (more formally KB or kB). 

  • A kilobit (more formally kb), especially in measuring Internet connection. 

  • kilometre or kilometres. 

  • The SI measurement value of 1,000 

intj
  • OK 

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

  • The first letter of callsigns allocated to American broadcast television and radio stations west of the Mississippi river. 

How often have the words c-note and k occurred in a corpus of books? (source: Google Ngram Viewer )