centerfold vs chick

centerfold

noun
  • Any very sexually attractive person, who is therefore material for such a photograph. 

  • A large photograph printed on this sheet, typically in the form of a nude, or provocatively dressed, sexually attractive woman or man. 

  • The person appearing in such a photograph. 

  • The single sheet of paper that forms the middle two pages of a magazine or other publication. 

chick

noun
  • A young, typically attractive, woman or teenage girl. 

  • A screen or blind made of finely slit bamboo and twine, hung in doorways or windows. 

  • A young chicken. 

  • A friendly fighter aircraft. 

  • A young bird. 

verb
  • To compress the lips and then separate them quickly, resulting in a percussive noise. 

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