Camberwell carrot vs j

Camberwell carrot

noun
  • A large cannabis joint. 

j

noun
  • A term for a marijuana cigarette ('joint'). 

  • An alternative version of i, the positive square root of -1; used in the context of electronics. 

  • The second unit vector, after i 

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

suffix
  • a suffix or final syllable /ʃən/ (-tion, -sion, etc.) 

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