policy vs prudery

policy

noun
  • Wise or advantageous conduct; prudence, formerly also with connotations of craftiness. 

  • The grounds of a large country house. 

  • A document containing or certifying this contract. 

  • A principle of behaviour, conduct etc. thought to be desirable or necessary, especially as formally expressed by a government or other authoritative body. 

  • A number pool lottery 

  • A contract of insurance. 

verb
  • To regulate by laws; to reduce to order. 

prudery

noun
  • The condition of being prudish; prudishness 

  • Prudish behaviour 

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