canoodle vs snog

canoodle

noun
  • A cuddle, hug, or caress 

verb
  • To caress, pet, feel up, or make love. 

  • To cajole or persuade. 

snog

noun
  • A passionate kiss. 

verb
  • To kiss passionately. 

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