cuddle vs snog

cuddle

verb
  • To embrace affectionately; to lie together snugly. 

  • To cradle in one's arms so as to give comfort, warmth. 

  • To lie close or snug; to crouch; to nestle. 

noun
  • A snuggle; an affectionate embrace, often given to family members and close friends. 

snog

verb
  • To kiss passionately. 

noun
  • A passionate kiss. 

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