ark vs yacht

ark

noun
  • A spacious type of boat with a flat bottom. 

  • A decorated cabinet at the front of a synagogue, in which Torah scrolls are kept. 

  • Something affording protection; safety, shelter, refuge 

  • The Ark of the Covenant. 

  • A large box with a flat lid. 

  • Noah's Ark: the ship built by Noah to save his family and a collection of animals from the deluge. 

yacht

noun
  • A slick and light ship for making pleasure trips or racing on water, having sails but often motor-powered. At times used as a residence offshore on a dock. 

  • Any vessel used for private, noncommercial purposes. 

verb
  • To sail, voyage, or race in a yacht. 

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