quarterdeck vs steeple

quarterdeck

noun
  • The aft part of the upper deck of a ship; normally reserved for officers 

steeple

noun
  • A spire. 

  • A high headdress of the 14th century. 

  • A tall tower, often on a church, normally topped with a spire. 

verb
  • To form something into the shape of a steeple. 

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